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Finding the Fourth Proportional to 622,711.50, 934,068.15 and 173,433.66

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Solution

The fourth proportional to 622,711.50, 934,068.15 and 173,433.66 is: 260,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,711.50 : 934,068.15 = 173,433.66 : x
  2. Step 2: Convert to fraction form
    622,711.50/934,068.15 = 173,433.66/x
  3. Step 3: Cross multiply
    622,711.50x = 934,068.15 × 173,433.66
  4. Step 4: Simplify right side
    622,711.50x = 161,998,857,943.93
  5. Step 5: Solve for x
    x = 161,998,857,943.93/622,711.50
  6. Step 6: Final answer
    x = 260,150.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.