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Finding the Fourth Proportional to 658,199.25, 987,298.88 and 159,563.25

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Solution

The fourth proportional to 658,199.25, 987,298.88 and 159,563.25 is: 239,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,199.25 : 987,298.88 = 159,563.25 : x
  2. Step 2: Convert to fraction form
    658,199.25/987,298.88 = 159,563.25/x
  3. Step 3: Cross multiply
    658,199.25x = 987,298.88 × 159,563.25
  4. Step 4: Simplify right side
    658,199.25x = 157,536,617,216.34
  5. Step 5: Solve for x
    x = 157,536,617,216.34/658,199.25
  6. Step 6: Final answer
    x = 239,344.88

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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.