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Finding the Fourth Proportional to 632,580.56, 872,874.96 and 377,877.68

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Solution

The fourth proportional to 632,580.56, 872,874.96 and 377,877.68 is: 521,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,580.56 : 872,874.96 = 377,877.68 : x
  2. Step 2: Convert to fraction form
    632,580.56/872,874.96 = 377,877.68/x
  3. Step 3: Cross multiply
    632,580.56x = 872,874.96 × 377,877.68
  4. Step 4: Simplify right side
    632,580.56x = 329,839,964,814.89
  5. Step 5: Solve for x
    x = 329,839,964,814.89/632,580.56
  6. Step 6: Final answer
    x = 521,419.70

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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.