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Finding the Fourth Proportional to 624,926.77, 862,400.04 and 338,446.86

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Solution

The fourth proportional to 624,926.77, 862,400.04 and 338,446.86 is: 467,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,926.77 : 862,400.04 = 338,446.86 : x
  2. Step 2: Convert to fraction form
    624,926.77/862,400.04 = 338,446.86/x
  3. Step 3: Cross multiply
    624,926.77x = 862,400.04 × 338,446.86
  4. Step 4: Simplify right side
    624,926.77x = 291,876,582,073.47
  5. Step 5: Solve for x
    x = 291,876,582,073.47/624,926.77
  6. Step 6: Final answer
    x = 467,057.25

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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.