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Finding the Fourth Proportional to 472,553.98, 652,124.61 and 257,688.52

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Solution

The fourth proportional to 472,553.98, 652,124.61 and 257,688.52 is: 355,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,553.98 : 652,124.61 = 257,688.52 : x
  2. Step 2: Convert to fraction form
    472,553.98/652,124.61 = 257,688.52/x
  3. Step 3: Cross multiply
    472,553.98x = 652,124.61 × 257,688.52
  4. Step 4: Simplify right side
    472,553.98x = 168,045,025,606.48
  5. Step 5: Solve for x
    x = 168,045,025,606.48/472,553.98
  6. Step 6: Final answer
    x = 355,610.22

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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.