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Finding the Fourth Proportional to 482,878.14, 724,074.21 and 167,250.30

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Solution

The fourth proportional to 482,878.14, 724,074.21 and 167,250.30 is: 250,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,878.14 : 724,074.21 = 167,250.30 : x
  2. Step 2: Convert to fraction form
    482,878.14/724,074.21 = 167,250.30/x
  3. Step 3: Cross multiply
    482,878.14x = 724,074.21 × 167,250.30
  4. Step 4: Simplify right side
    482,878.14x = 121,101,628,844.76
  5. Step 5: Solve for x
    x = 121,101,628,844.76/482,878.14
  6. Step 6: Final answer
    x = 250,791.28

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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.