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Finding the Fourth Proportional to 362,412.24, 543,378.42 and 172,901.85

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Solution

The fourth proportional to 362,412.24, 543,378.42 and 172,901.85 is: 259,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,412.24 : 543,378.42 = 172,901.85 : x
  2. Step 2: Convert to fraction form
    362,412.24/543,378.42 = 172,901.85/x
  3. Step 3: Cross multiply
    362,412.24x = 543,378.42 × 172,901.85
  4. Step 4: Simplify right side
    362,412.24x = 93,951,134,068.08
  5. Step 5: Solve for x
    x = 93,951,134,068.08/362,412.24
  6. Step 6: Final answer
    x = 259,238.30

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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.