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Finding the Fourth Proportional to 482,758.08, 724,137.12 and 150,360

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Solution

The fourth proportional to 482,758.08, 724,137.12 and 150,360 is: 225,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,758.08 : 724,137.12 = 150,360 : x
  2. Step 2: Convert to fraction form
    482,758.08/724,137.12 = 150,360/x
  3. Step 3: Cross multiply
    482,758.08x = 724,137.12 × 150,360
  4. Step 4: Simplify right side
    482,758.08x = 108,881,257,363.20
  5. Step 5: Solve for x
    x = 108,881,257,363.20/482,758.08
  6. Step 6: Final answer
    x = 225,540

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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.