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Finding the Fourth Proportional to 482,969.40, 724,454.10 and 167,458.20

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Solution

The fourth proportional to 482,969.40, 724,454.10 and 167,458.20 is: 251,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,969.40 : 724,454.10 = 167,458.20 : x
  2. Step 2: Convert to fraction form
    482,969.40/724,454.10 = 167,458.20/x
  3. Step 3: Cross multiply
    482,969.40x = 724,454.10 × 167,458.20
  4. Step 4: Simplify right side
    482,969.40x = 121,315,779,568.62
  5. Step 5: Solve for x
    x = 121,315,779,568.62/482,969.40
  6. Step 6: Final answer
    x = 251,187.30

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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.