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Finding the Fourth Proportional to 355,758,472.80, 532,841,446.80 and 292,057,480.80

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Solution

The fourth proportional to 355,758,472.80, 532,841,446.80 and 292,057,480.80 is: 437,432,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,758,472.80 : 532,841,446.80 = 292,057,480.80 : x
  2. Step 2: Convert to fraction form
    355,758,472.80/532,841,446.80 = 292,057,480.80/x
  3. Step 3: Cross multiply
    355,758,472.80x = 532,841,446.80 × 292,057,480.80
  4. Step 4: Simplify right side
    355,758,472.80x = 155,620,330,618,235,232
  5. Step 5: Solve for x
    x = 155,620,330,618,235,232/355,758,472.80
  6. Step 6: Final answer
    x = 437,432,535.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.