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Finding the Fourth Proportional to 658,156.67, 987,235.01 and 159,520.67

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Solution

The fourth proportional to 658,156.67, 987,235.01 and 159,520.67 is: 239,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,156.67 : 987,235.01 = 159,520.67 : x
  2. Step 2: Convert to fraction form
    658,156.67/987,235.01 = 159,520.67/x
  3. Step 3: Cross multiply
    658,156.67x = 987,235.01 × 159,520.67
  4. Step 4: Simplify right side
    658,156.67x = 157,484,390,242.66
  5. Step 5: Solve for x
    x = 157,484,390,242.66/658,156.67
  6. Step 6: Final answer
    x = 239,281.01

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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.