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Finding the Fourth Proportional to 602,593.92, 831,572.16 and 347,939.52

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Solution

The fourth proportional to 602,593.92, 831,572.16 and 347,939.52 is: 480,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,593.92 : 831,572.16 = 347,939.52 : x
  2. Step 2: Convert to fraction form
    602,593.92/831,572.16 = 347,939.52/x
  3. Step 3: Cross multiply
    602,593.92x = 831,572.16 × 347,939.52
  4. Step 4: Simplify right side
    602,593.92x = 289,336,818,195.76
  5. Step 5: Solve for x
    x = 289,336,818,195.76/602,593.92
  6. Step 6: Final answer
    x = 480,152.24

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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.