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Finding the Fourth Proportional to 440,046.56, 607,264.20 and 238,842.56

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Solution

The fourth proportional to 440,046.56, 607,264.20 and 238,842.56 is: 329,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,046.56 : 607,264.20 = 238,842.56 : x
  2. Step 2: Convert to fraction form
    440,046.56/607,264.20 = 238,842.56/x
  3. Step 3: Cross multiply
    440,046.56x = 607,264.20 × 238,842.56
  4. Step 4: Simplify right side
    440,046.56x = 145,040,536,124.35
  5. Step 5: Solve for x
    x = 145,040,536,124.35/440,046.56
  6. Step 6: Final answer
    x = 329,602.70

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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.