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Finding the Fourth Proportional to 292,350.30, 403,443.27 and 158,214.30

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Solution

The fourth proportional to 292,350.30, 403,443.27 and 158,214.30 is: 218,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,350.30 : 403,443.27 = 158,214.30 : x
  2. Step 2: Convert to fraction form
    292,350.30/403,443.27 = 158,214.30/x
  3. Step 3: Cross multiply
    292,350.30x = 403,443.27 × 158,214.30
  4. Step 4: Simplify right side
    292,350.30x = 63,830,494,552.76
  5. Step 5: Solve for x
    x = 63,830,494,552.76/292,350.30
  6. Step 6: Final answer
    x = 218,335.66

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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.