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Finding the Fourth Proportional to 504,729.62, 757,092 and 479,501.36

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Solution

The fourth proportional to 504,729.62, 757,092 and 479,501.36 is: 719,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,729.62 : 757,092 = 479,501.36 : x
  2. Step 2: Convert to fraction form
    504,729.62/757,092 = 479,501.36/x
  3. Step 3: Cross multiply
    504,729.62x = 757,092 × 479,501.36
  4. Step 4: Simplify right side
    504,729.62x = 363,026,643,645.12
  5. Step 5: Solve for x
    x = 363,026,643,645.12/504,729.62
  6. Step 6: Final answer
    x = 719,249.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.