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Finding the Fourth Proportional to 402,593.73, 555,592.11 and 230,512.47

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Solution

The fourth proportional to 402,593.73, 555,592.11 and 230,512.47 is: 318,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,593.73 : 555,592.11 = 230,512.47 : x
  2. Step 2: Convert to fraction form
    402,593.73/555,592.11 = 230,512.47/x
  3. Step 3: Cross multiply
    402,593.73x = 555,592.11 × 230,512.47
  4. Step 4: Simplify right side
    402,593.73x = 128,070,909,588.61
  5. Step 5: Solve for x
    x = 128,070,909,588.61/402,593.73
  6. Step 6: Final answer
    x = 318,114.52

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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.