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Finding the Fourth Proportional to 635,737.38, 952,719.39 and 477,780.90

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Solution

The fourth proportional to 635,737.38, 952,719.39 and 477,780.90 is: 716,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,737.38 : 952,719.39 = 477,780.90 : x
  2. Step 2: Convert to fraction form
    635,737.38/952,719.39 = 477,780.90/x
  3. Step 3: Cross multiply
    635,737.38x = 952,719.39 × 477,780.90
  4. Step 4: Simplify right side
    635,737.38x = 455,191,127,601.65
  5. Step 5: Solve for x
    x = 455,191,127,601.65/635,737.38
  6. Step 6: Final answer
    x = 716,004.98

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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.