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Finding the Fourth Proportional to 625,582.91, 863,281.19 and 339,096.85

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Solution

The fourth proportional to 625,582.91, 863,281.19 and 339,096.85 is: 467,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,582.91 : 863,281.19 = 339,096.85 : x
  2. Step 2: Convert to fraction form
    625,582.91/863,281.19 = 339,096.85/x
  3. Step 3: Cross multiply
    625,582.91x = 863,281.19 × 339,096.85
  4. Step 4: Simplify right side
    625,582.91x = 292,735,930,882.79
  5. Step 5: Solve for x
    x = 292,735,930,882.79/625,582.91
  6. Step 6: Final answer
    x = 467,941.06

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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.