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Finding the Fourth Proportional to 293,691.80, 440,246.10 and 135,644.60

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Solution

The fourth proportional to 293,691.80, 440,246.10 and 135,644.60 is: 203,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,691.80 : 440,246.10 = 135,644.60 : x
  2. Step 2: Convert to fraction form
    293,691.80/440,246.10 = 135,644.60/x
  3. Step 3: Cross multiply
    293,691.80x = 440,246.10 × 135,644.60
  4. Step 4: Simplify right side
    293,691.80x = 59,717,006,136.06
  5. Step 5: Solve for x
    x = 59,717,006,136.06/293,691.80
  6. Step 6: Final answer
    x = 203,332.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.