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Finding the Fourth Proportional to 653,729.01, 902,169.17 and 363,346.37

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Solution

The fourth proportional to 653,729.01, 902,169.17 and 363,346.37 is: 501,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,729.01 : 902,169.17 = 363,346.37 : x
  2. Step 2: Convert to fraction form
    653,729.01/902,169.17 = 363,346.37/x
  3. Step 3: Cross multiply
    653,729.01x = 902,169.17 × 363,346.37
  4. Step 4: Simplify right side
    653,729.01x = 327,799,893,045.41
  5. Step 5: Solve for x
    x = 327,799,893,045.41/653,729.01
  6. Step 6: Final answer
    x = 501,430.85

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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.