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Finding the Fourth Proportional to 625,427.04, 863,092.40 and 338,947.14

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Solution

The fourth proportional to 625,427.04, 863,092.40 and 338,947.14 is: 467,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,427.04 : 863,092.40 = 338,947.14 : x
  2. Step 2: Convert to fraction form
    625,427.04/863,092.40 = 338,947.14/x
  3. Step 3: Cross multiply
    625,427.04x = 863,092.40 × 338,947.14
  4. Step 4: Simplify right side
    625,427.04x = 292,542,700,535.74
  5. Step 5: Solve for x
    x = 292,542,700,535.74/625,427.04
  6. Step 6: Final answer
    x = 467,748.72

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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.