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Finding the Fourth Proportional to 244,883.48, 337,915.86 and 137,428.88

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Solution

The fourth proportional to 244,883.48, 337,915.86 and 137,428.88 is: 189,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,883.48 : 337,915.86 = 137,428.88 : x
  2. Step 2: Convert to fraction form
    244,883.48/337,915.86 = 137,428.88/x
  3. Step 3: Cross multiply
    244,883.48x = 337,915.86 × 137,428.88
  4. Step 4: Simplify right side
    244,883.48x = 46,439,398,174.04
  5. Step 5: Solve for x
    x = 46,439,398,174.04/244,883.48
  6. Step 6: Final answer
    x = 189,638.75

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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.