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Finding the Fourth Proportional to 624,662.13, 862,034.04 and 338,182.23

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Solution

The fourth proportional to 624,662.13, 862,034.04 and 338,182.23 is: 466,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,662.13 : 862,034.04 = 338,182.23 : x
  2. Step 2: Convert to fraction form
    624,662.13/862,034.04 = 338,182.23/x
  3. Step 3: Cross multiply
    624,662.13x = 862,034.04 × 338,182.23
  4. Step 4: Simplify right side
    624,662.13x = 291,524,593,983.11
  5. Step 5: Solve for x
    x = 291,524,593,983.11/624,662.13
  6. Step 6: Final answer
    x = 466,691.64

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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.