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Finding the Fourth Proportional to 375,671.80, 563,323.36 and 185,912.92

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Solution

The fourth proportional to 375,671.80, 563,323.36 and 185,912.92 is: 278,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,671.80 : 563,323.36 = 185,912.92 : x
  2. Step 2: Convert to fraction form
    375,671.80/563,323.36 = 185,912.92/x
  3. Step 3: Cross multiply
    375,671.80x = 563,323.36 × 185,912.92
  4. Step 4: Simplify right side
    375,671.80x = 104,729,090,761.81
  5. Step 5: Solve for x
    x = 104,729,090,761.81/375,671.80
  6. Step 6: Final answer
    x = 278,778.15

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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.