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Finding the Fourth Proportional to 625,045.44, 862,562.32 and 338,564.88

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Solution

The fourth proportional to 625,045.44, 862,562.32 and 338,564.88 is: 467,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,045.44 : 862,562.32 = 338,564.88 : x
  2. Step 2: Convert to fraction form
    625,045.44/862,562.32 = 338,564.88/x
  3. Step 3: Cross multiply
    625,045.44x = 862,562.32 × 338,564.88
  4. Step 4: Simplify right side
    625,045.44x = 292,033,308,363.32
  5. Step 5: Solve for x
    x = 292,033,308,363.32/625,045.44
  6. Step 6: Final answer
    x = 467,219.32

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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.