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Finding the Fourth Proportional to 362,117.10, 543,240.45 and 151,776.30

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Solution

The fourth proportional to 362,117.10, 543,240.45 and 151,776.30 is: 227,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,117.10 : 543,240.45 = 151,776.30 : x
  2. Step 2: Convert to fraction form
    362,117.10/543,240.45 = 151,776.30/x
  3. Step 3: Cross multiply
    362,117.10x = 543,240.45 × 151,776.30
  4. Step 4: Simplify right side
    362,117.10x = 82,451,025,511.34
  5. Step 5: Solve for x
    x = 82,451,025,511.34/362,117.10
  6. Step 6: Final answer
    x = 227,691.61

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1.5x scale

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.