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Finding the Fourth Proportional to 625,527.69, 863,229.13 and 339,047.70

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Solution

The fourth proportional to 625,527.69, 863,229.13 and 339,047.70 is: 467,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,527.69 : 863,229.13 = 339,047.70 : x
  2. Step 2: Convert to fraction form
    625,527.69/863,229.13 = 339,047.70/x
  3. Step 3: Cross multiply
    625,527.69x = 863,229.13 × 339,047.70
  4. Step 4: Simplify right side
    625,527.69x = 292,675,851,099.50
  5. Step 5: Solve for x
    x = 292,675,851,099.50/625,527.69
  6. Step 6: Final answer
    x = 467,886.32

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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.