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Finding the Fourth Proportional to 624,950.35, 862,427.19 and 338,463.88

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Solution

The fourth proportional to 624,950.35, 862,427.19 and 338,463.88 is: 467,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,950.35 : 862,427.19 = 338,463.88 : x
  2. Step 2: Convert to fraction form
    624,950.35/862,427.19 = 338,463.88/x
  3. Step 3: Cross multiply
    624,950.35x = 862,427.19 × 338,463.88
  4. Step 4: Simplify right side
    624,950.35x = 291,900,452,944.90
  5. Step 5: Solve for x
    x = 291,900,452,944.90/624,950.35
  6. Step 6: Final answer
    x = 467,077.83

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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.