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Finding the Fourth Proportional to 482,752.88, 724,178.60 and 167,209.20

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Solution

The fourth proportional to 482,752.88, 724,178.60 and 167,209.20 is: 250,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,752.88 : 724,178.60 = 167,209.20 : x
  2. Step 2: Convert to fraction form
    482,752.88/724,178.60 = 167,209.20/x
  3. Step 3: Cross multiply
    482,752.88x = 724,178.60 × 167,209.20
  4. Step 4: Simplify right side
    482,752.88x = 121,089,324,363.12
  5. Step 5: Solve for x
    x = 121,089,324,363.12/482,752.88
  6. Step 6: Final answer
    x = 250,830.87

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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.