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Finding the Fourth Proportional to 482,956.40, 724,434.60 and 167,445.20

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Solution

The fourth proportional to 482,956.40, 724,434.60 and 167,445.20 is: 251,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,956.40 : 724,434.60 = 167,445.20 : x
  2. Step 2: Convert to fraction form
    482,956.40/724,434.60 = 167,445.20/x
  3. Step 3: Cross multiply
    482,956.40x = 724,434.60 × 167,445.20
  4. Step 4: Simplify right side
    482,956.40x = 121,303,096,483.92
  5. Step 5: Solve for x
    x = 121,303,096,483.92/482,956.40
  6. Step 6: Final answer
    x = 251,167.80

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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.