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Finding the Fourth Proportional to 591,965.60, 887,948.40 and 171,255.20

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Solution

The fourth proportional to 591,965.60, 887,948.40 and 171,255.20 is: 256,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,965.60 : 887,948.40 = 171,255.20 : x
  2. Step 2: Convert to fraction form
    591,965.60/887,948.40 = 171,255.20/x
  3. Step 3: Cross multiply
    591,965.60x = 887,948.40 × 171,255.20
  4. Step 4: Simplify right side
    591,965.60x = 152,065,780,831.68
  5. Step 5: Solve for x
    x = 152,065,780,831.68/591,965.60
  6. Step 6: Final answer
    x = 256,882.80

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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.