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Finding the Fourth Proportional to 624,659.13, 862,029.90 and 338,179.23

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Solution

The fourth proportional to 624,659.13, 862,029.90 and 338,179.23 is: 466,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,659.13 : 862,029.90 = 338,179.23 : x
  2. Step 2: Convert to fraction form
    624,659.13/862,029.90 = 338,179.23/x
  3. Step 3: Cross multiply
    624,659.13x = 862,029.90 × 338,179.23
  4. Step 4: Simplify right side
    624,659.13x = 291,520,607,818.98
  5. Step 5: Solve for x
    x = 291,520,607,818.98/624,659.13
  6. Step 6: Final answer
    x = 466,687.50

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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.