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Finding the Fourth Proportional to 438,498.56, 605,127.66 and 237,294.56

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Solution

The fourth proportional to 438,498.56, 605,127.66 and 237,294.56 is: 327,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,498.56 : 605,127.66 = 237,294.56 : x
  2. Step 2: Convert to fraction form
    438,498.56/605,127.66 = 237,294.56/x
  3. Step 3: Cross multiply
    438,498.56x = 605,127.66 × 237,294.56
  4. Step 4: Simplify right side
    438,498.56x = 143,593,498,797.89
  5. Step 5: Solve for x
    x = 143,593,498,797.89/438,498.56
  6. Step 6: Final answer
    x = 327,466.30

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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.