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Finding the Fourth Proportional to 658,254.84, 987,382.26 and 159,618.84

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Solution

The fourth proportional to 658,254.84, 987,382.26 and 159,618.84 is: 239,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,254.84 : 987,382.26 = 159,618.84 : x
  2. Step 2: Convert to fraction form
    658,254.84/987,382.26 = 159,618.84/x
  3. Step 3: Cross multiply
    658,254.84x = 987,382.26 × 159,618.84
  4. Step 4: Simplify right side
    658,254.84x = 157,604,810,977.78
  5. Step 5: Solve for x
    x = 157,604,810,977.78/658,254.84
  6. Step 6: Final answer
    x = 239,428.26

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Similar ratio
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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.