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Finding the Fourth Proportional to 625,313.23, 862,935.26 and 338,833.85

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Solution

The fourth proportional to 625,313.23, 862,935.26 and 338,833.85 is: 467,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,313.23 : 862,935.26 = 338,833.85 : x
  2. Step 2: Convert to fraction form
    625,313.23/862,935.26 = 338,833.85/x
  3. Step 3: Cross multiply
    625,313.23x = 862,935.26 × 338,833.85
  4. Step 4: Simplify right side
    625,313.23x = 292,391,670,437.71
  5. Step 5: Solve for x
    x = 292,391,670,437.71/625,313.23
  6. Step 6: Final answer
    x = 467,592.33

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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.