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Finding the Fourth Proportional to 360,392.79, 497,352.43 and 199,258.24

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Solution

The fourth proportional to 360,392.79, 497,352.43 and 199,258.24 is: 274,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,392.79 : 497,352.43 = 199,258.24 : x
  2. Step 2: Convert to fraction form
    360,392.79/497,352.43 = 199,258.24/x
  3. Step 3: Cross multiply
    360,392.79x = 497,352.43 × 199,258.24
  4. Step 4: Simplify right side
    360,392.79x = 99,101,566,378.47
  5. Step 5: Solve for x
    x = 99,101,566,378.47/360,392.79
  6. Step 6: Final answer
    x = 274,982.10

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Double scale
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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.