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Finding the Fourth Proportional to 675,437.22, 1,013,155.62 and 254,614.68

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Solution

The fourth proportional to 675,437.22, 1,013,155.62 and 254,614.68 is: 381,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,437.22 : 1,013,155.62 = 254,614.68 : x
  2. Step 2: Convert to fraction form
    675,437.22/1,013,155.62 = 254,614.68/x
  3. Step 3: Cross multiply
    675,437.22x = 1,013,155.62 × 254,614.68
  4. Step 4: Simplify right side
    675,437.22x = 257,964,293,976.50
  5. Step 5: Solve for x
    x = 257,964,293,976.50/675,437.22
  6. Step 6: Final answer
    x = 381,921.94

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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.