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Finding the Fourth Proportional to 360,398.76, 497,335.62 and 199,243.56

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Solution

The fourth proportional to 360,398.76, 497,335.62 and 199,243.56 is: 274,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,398.76 : 497,335.62 = 199,243.56 : x
  2. Step 2: Convert to fraction form
    360,398.76/497,335.62 = 199,243.56/x
  3. Step 3: Cross multiply
    360,398.76x = 497,335.62 × 199,243.56
  4. Step 4: Simplify right side
    360,398.76x = 99,090,919,443.61
  5. Step 5: Solve for x
    x = 99,090,919,443.61/360,398.76
  6. Step 6: Final answer
    x = 274,948.00

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.