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Finding the Fourth Proportional to 377,616.40, 566,424.60 and 361,437.20

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Solution

The fourth proportional to 377,616.40, 566,424.60 and 361,437.20 is: 542,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,616.40 : 566,424.60 = 361,437.20 : x
  2. Step 2: Convert to fraction form
    377,616.40/566,424.60 = 361,437.20/x
  3. Step 3: Cross multiply
    377,616.40x = 566,424.60 × 361,437.20
  4. Step 4: Simplify right side
    377,616.40x = 204,726,921,435.12
  5. Step 5: Solve for x
    x = 204,726,921,435.12/377,616.40
  6. Step 6: Final answer
    x = 542,155.80

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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.