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Finding the Fourth Proportional to 362,198.80, 543,298.20 and 162,525.70

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Solution

The fourth proportional to 362,198.80, 543,298.20 and 162,525.70 is: 243,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,198.80 : 543,298.20 = 162,525.70 : x
  2. Step 2: Convert to fraction form
    362,198.80/543,298.20 = 162,525.70/x
  3. Step 3: Cross multiply
    362,198.80x = 543,298.20 × 162,525.70
  4. Step 4: Simplify right side
    362,198.80x = 88,299,920,263.74
  5. Step 5: Solve for x
    x = 88,299,920,263.74/362,198.80
  6. Step 6: Final answer
    x = 243,788.55

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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.