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Finding the Fourth Proportional to 658,347.75, 987,522.03 and 159,711.75

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Solution

The fourth proportional to 658,347.75, 987,522.03 and 159,711.75 is: 239,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,347.75 : 987,522.03 = 159,711.75 : x
  2. Step 2: Convert to fraction form
    658,347.75/987,522.03 = 159,711.75/x
  3. Step 3: Cross multiply
    658,347.75x = 987,522.03 × 159,711.75
  4. Step 4: Simplify right side
    658,347.75x = 157,718,871,574.85
  5. Step 5: Solve for x
    x = 157,718,871,574.85/658,347.75
  6. Step 6: Final answer
    x = 239,567.72

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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.