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Finding the Fourth Proportional to 634,470.07, 875,778.07 and 567,209.58

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Solution

The fourth proportional to 634,470.07, 875,778.07 and 567,209.58 is: 782,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,470.07 : 875,778.07 = 567,209.58 : x
  2. Step 2: Convert to fraction form
    634,470.07/875,778.07 = 567,209.58/x
  3. Step 3: Cross multiply
    634,470.07x = 875,778.07 × 567,209.58
  4. Step 4: Simplify right side
    634,470.07x = 496,749,711,257.91
  5. Step 5: Solve for x
    x = 496,749,711,257.91/634,470.07
  6. Step 6: Final answer
    x = 782,936.40

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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.