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Finding the Fourth Proportional to 625,197.95, 862,774.02 and 338,718.04

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Solution

The fourth proportional to 625,197.95, 862,774.02 and 338,718.04 is: 467,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,197.95 : 862,774.02 = 338,718.04 : x
  2. Step 2: Convert to fraction form
    625,197.95/862,774.02 = 338,718.04/x
  3. Step 3: Cross multiply
    625,197.95x = 862,774.02 × 338,718.04
  4. Step 4: Simplify right side
    625,197.95x = 292,237,125,017.32
  5. Step 5: Solve for x
    x = 292,237,125,017.32/625,197.95
  6. Step 6: Final answer
    x = 467,431.36

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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.