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Finding the Fourth Proportional to 634,472.07, 875,780.84 and 567,211.58

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Solution

The fourth proportional to 634,472.07, 875,780.84 and 567,211.58 is: 782,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,472.07 : 875,780.84 = 567,211.58 : x
  2. Step 2: Convert to fraction form
    634,472.07/875,780.84 = 567,211.58/x
  3. Step 3: Cross multiply
    634,472.07x = 875,780.84 × 567,211.58
  4. Step 4: Simplify right side
    634,472.07x = 496,753,026,775.17
  5. Step 5: Solve for x
    x = 496,753,026,775.17/634,472.07
  6. Step 6: Final answer
    x = 782,939.16

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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.