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Finding the Fourth Proportional to 376,106.33, 564,252.87 and 186,655.61

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Solution

The fourth proportional to 376,106.33, 564,252.87 and 186,655.61 is: 280,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,106.33 : 564,252.87 = 186,655.61 : x
  2. Step 2: Convert to fraction form
    376,106.33/564,252.87 = 186,655.61/x
  3. Step 3: Cross multiply
    376,106.33x = 564,252.87 × 186,655.61
  4. Step 4: Simplify right side
    376,106.33x = 105,320,963,644.10
  5. Step 5: Solve for x
    x = 105,320,963,644.10/376,106.33
  6. Step 6: Final answer
    x = 280,029.76

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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.