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Finding the Fourth Proportional to 498,074.98, 746,853.06 and 178,103.50

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Solution

The fourth proportional to 498,074.98, 746,853.06 and 178,103.50 is: 267,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,074.98 : 746,853.06 = 178,103.50 : x
  2. Step 2: Convert to fraction form
    498,074.98/746,853.06 = 178,103.50/x
  3. Step 3: Cross multiply
    498,074.98x = 746,853.06 × 178,103.50
  4. Step 4: Simplify right side
    498,074.98x = 133,017,143,971.71
  5. Step 5: Solve for x
    x = 133,017,143,971.71/498,074.98
  6. Step 6: Final answer
    x = 267,062.49

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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.