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Finding the Fourth Proportional to 376,118.10, 564,203.61 and 151,479.45

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Solution

The fourth proportional to 376,118.10, 564,203.61 and 151,479.45 is: 227,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,118.10 : 564,203.61 = 151,479.45 : x
  2. Step 2: Convert to fraction form
    376,118.10/564,203.61 = 151,479.45/x
  3. Step 3: Cross multiply
    376,118.10x = 564,203.61 × 151,479.45
  4. Step 4: Simplify right side
    376,118.10x = 85,465,252,530.81
  5. Step 5: Solve for x
    x = 85,465,252,530.81/376,118.10
  6. Step 6: Final answer
    x = 227,229.83

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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.