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Finding the Fourth Proportional to 635,729.88, 952,708.14 and 477,773.40

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Solution

The fourth proportional to 635,729.88, 952,708.14 and 477,773.40 is: 715,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,729.88 : 952,708.14 = 477,773.40 : x
  2. Step 2: Convert to fraction form
    635,729.88/952,708.14 = 477,773.40/x
  3. Step 3: Cross multiply
    635,729.88x = 952,708.14 × 477,773.40
  4. Step 4: Simplify right side
    635,729.88x = 455,178,607,255.48
  5. Step 5: Solve for x
    x = 455,178,607,255.48/635,729.88
  6. Step 6: Final answer
    x = 715,993.73

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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.