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Finding the Fourth Proportional to 636,597.59, 878,512.01 and 350,122.46

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Solution

The fourth proportional to 636,597.59, 878,512.01 and 350,122.46 is: 483,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,597.59 : 878,512.01 = 350,122.46 : x
  2. Step 2: Convert to fraction form
    636,597.59/878,512.01 = 350,122.46/x
  3. Step 3: Cross multiply
    636,597.59x = 878,512.01 × 350,122.46
  4. Step 4: Simplify right side
    636,597.59x = 307,586,779,937.57
  5. Step 5: Solve for x
    x = 307,586,779,937.57/636,597.59
  6. Step 6: Final answer
    x = 483,173.02

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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.