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Finding the Fourth Proportional to 626,545.82, 864,652.54 and 368,375.94

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Solution

The fourth proportional to 626,545.82, 864,652.54 and 368,375.94 is: 508,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,545.82 : 864,652.54 = 368,375.94 : x
  2. Step 2: Convert to fraction form
    626,545.82/864,652.54 = 368,375.94/x
  3. Step 3: Cross multiply
    626,545.82x = 864,652.54 × 368,375.94
  4. Step 4: Simplify right side
    626,545.82x = 318,517,192,195.89
  5. Step 5: Solve for x
    x = 318,517,192,195.89/626,545.82
  6. Step 6: Final answer
    x = 508,370.15

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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.