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Finding the Fourth Proportional to 482,073.08, 722,599.78 and 178,272.02

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Solution

The fourth proportional to 482,073.08, 722,599.78 and 178,272.02 is: 267,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,073.08 : 722,599.78 = 178,272.02 : x
  2. Step 2: Convert to fraction form
    482,073.08/722,599.78 = 178,272.02/x
  3. Step 3: Cross multiply
    482,073.08x = 722,599.78 × 178,272.02
  4. Step 4: Simplify right side
    482,073.08x = 128,819,317,927.80
  5. Step 5: Solve for x
    x = 128,819,317,927.80/482,073.08
  6. Step 6: Final answer
    x = 267,219.48

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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.