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Finding the Fourth Proportional to 362,182.71, 543,385.31 and 172,884.63

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Solution

The fourth proportional to 362,182.71, 543,385.31 and 172,884.63 is: 259,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,182.71 : 543,385.31 = 172,884.63 : x
  2. Step 2: Convert to fraction form
    362,182.71/543,385.31 = 172,884.63/x
  3. Step 3: Cross multiply
    362,182.71x = 543,385.31 × 172,884.63
  4. Step 4: Simplify right side
    362,182.71x = 93,942,967,402.36
  5. Step 5: Solve for x
    x = 93,942,967,402.36/362,182.71
  6. Step 6: Final answer
    x = 259,380.04

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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.