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Finding the Fourth Proportional to 444,165.60, 612,932.29 and 253,142.09

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Solution

The fourth proportional to 444,165.60, 612,932.29 and 253,142.09 is: 349,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,165.60 : 612,932.29 = 253,142.09 : x
  2. Step 2: Convert to fraction form
    444,165.60/612,932.29 = 253,142.09/x
  3. Step 3: Cross multiply
    444,165.60x = 612,932.29 × 253,142.09
  4. Step 4: Simplify right side
    444,165.60x = 155,158,960,919.09
  5. Step 5: Solve for x
    x = 155,158,960,919.09/444,165.60
  6. Step 6: Final answer
    x = 349,326.83

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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.