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Finding the Fourth Proportional to 658,158.42, 987,237.64 and 159,522.42

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Solution

The fourth proportional to 658,158.42, 987,237.64 and 159,522.42 is: 239,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,158.42 : 987,237.64 = 159,522.42 : x
  2. Step 2: Convert to fraction form
    658,158.42/987,237.64 = 159,522.42/x
  3. Step 3: Cross multiply
    658,158.42x = 987,237.64 × 159,522.42
  4. Step 4: Simplify right side
    658,158.42x = 157,486,537,447.89
  5. Step 5: Solve for x
    x = 157,486,537,447.89/658,158.42
  6. Step 6: Final answer
    x = 239,283.63

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Double scale
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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.