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Finding the Fourth Proportional to 522,737.56, 721,112.07 and 341,555.50

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Solution

The fourth proportional to 522,737.56, 721,112.07 and 341,555.50 is: 471,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,737.56 : 721,112.07 = 341,555.50 : x
  2. Step 2: Convert to fraction form
    522,737.56/721,112.07 = 341,555.50/x
  3. Step 3: Cross multiply
    522,737.56x = 721,112.07 × 341,555.50
  4. Step 4: Simplify right side
    522,737.56x = 246,299,793,624.89
  5. Step 5: Solve for x
    x = 246,299,793,624.89/522,737.56
  6. Step 6: Final answer
    x = 471,172.94

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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.