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Finding the Fourth Proportional to 293,760.56, 440,642.36 and 133,724.58

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Solution

The fourth proportional to 293,760.56, 440,642.36 and 133,724.58 is: 200,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,760.56 : 440,642.36 = 133,724.58 : x
  2. Step 2: Convert to fraction form
    293,760.56/440,642.36 = 133,724.58/x
  3. Step 3: Cross multiply
    293,760.56x = 440,642.36 × 133,724.58
  4. Step 4: Simplify right side
    293,760.56x = 58,924,712,318.00
  5. Step 5: Solve for x
    x = 58,924,712,318.00/293,760.56
  6. Step 6: Final answer
    x = 200,587.55

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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.