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Finding the Fourth Proportional to 572,154.52, 789,024.52 and 342,675.04

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Solution

The fourth proportional to 572,154.52, 789,024.52 and 342,675.04 is: 472,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,154.52 : 789,024.52 = 342,675.04 : x
  2. Step 2: Convert to fraction form
    572,154.52/789,024.52 = 342,675.04/x
  3. Step 3: Cross multiply
    572,154.52x = 789,024.52 × 342,675.04
  4. Step 4: Simplify right side
    572,154.52x = 270,379,008,951.98
  5. Step 5: Solve for x
    x = 270,379,008,951.98/572,154.52
  6. Step 6: Final answer
    x = 472,562.92

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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.