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Finding the Fourth Proportional to 377,382.05, 566,335.52 and 243,931.31

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Solution

The fourth proportional to 377,382.05, 566,335.52 and 243,931.31 is: 366,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,382.05 : 566,335.52 = 243,931.31 : x
  2. Step 2: Convert to fraction form
    377,382.05/566,335.52 = 243,931.31/x
  3. Step 3: Cross multiply
    377,382.05x = 566,335.52 × 243,931.31
  4. Step 4: Simplify right side
    377,382.05x = 138,146,967,318.80
  5. Step 5: Solve for x
    x = 138,146,967,318.80/377,382.05
  6. Step 6: Final answer
    x = 366,066.61

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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.