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Finding the Fourth Proportional to 608,068.50, 912,250.38 and 187,344.38

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Solution

The fourth proportional to 608,068.50, 912,250.38 and 187,344.38 is: 281,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,068.50 : 912,250.38 = 187,344.38 : x
  2. Step 2: Convert to fraction form
    608,068.50/912,250.38 = 187,344.38/x
  3. Step 3: Cross multiply
    608,068.50x = 912,250.38 × 187,344.38
  4. Step 4: Simplify right side
    608,068.50x = 170,904,977,284.61
  5. Step 5: Solve for x
    x = 170,904,977,284.61/608,068.50
  6. Step 6: Final answer
    x = 281,062.05

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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.