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Finding the Fourth Proportional to 637,761.04, 956,641.56 and 555,646.48

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Solution

The fourth proportional to 637,761.04, 956,641.56 and 555,646.48 is: 833,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,761.04 : 956,641.56 = 555,646.48 : x
  2. Step 2: Convert to fraction form
    637,761.04/956,641.56 = 555,646.48/x
  3. Step 3: Cross multiply
    637,761.04x = 956,641.56 × 555,646.48
  4. Step 4: Simplify right side
    637,761.04x = 531,554,515,435.71
  5. Step 5: Solve for x
    x = 531,554,515,435.71/637,761.04
  6. Step 6: Final answer
    x = 833,469.72

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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.