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Finding the Fourth Proportional to 625,584.91, 863,283.95 and 339,098.85

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Solution

The fourth proportional to 625,584.91, 863,283.95 and 339,098.85 is: 467,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,584.91 : 863,283.95 = 339,098.85 : x
  2. Step 2: Convert to fraction form
    625,584.91/863,283.95 = 339,098.85/x
  3. Step 3: Cross multiply
    625,584.91x = 863,283.95 × 339,098.85
  4. Step 4: Simplify right side
    625,584.91x = 292,738,594,668.46
  5. Step 5: Solve for x
    x = 292,738,594,668.46/625,584.91
  6. Step 6: Final answer
    x = 467,943.82

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1.5x scale

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.