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Finding the Fourth Proportional to 636,240.74, 878,006.03 and 473,624.46

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Solution

The fourth proportional to 636,240.74, 878,006.03 and 473,624.46 is: 653,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,240.74 : 878,006.03 = 473,624.46 : x
  2. Step 2: Convert to fraction form
    636,240.74/878,006.03 = 473,624.46/x
  3. Step 3: Cross multiply
    636,240.74x = 878,006.03 × 473,624.46
  4. Step 4: Simplify right side
    636,240.74x = 415,845,125,077.34
  5. Step 5: Solve for x
    x = 415,845,125,077.34/636,240.74
  6. Step 6: Final answer
    x = 653,597.14

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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.