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Finding the Fourth Proportional to 362,225.60, 543,856.80 and 204,761.60

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Solution

The fourth proportional to 362,225.60, 543,856.80 and 204,761.60 is: 307,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,225.60 : 543,856.80 = 204,761.60 : x
  2. Step 2: Convert to fraction form
    362,225.60/543,856.80 = 204,761.60/x
  3. Step 3: Cross multiply
    362,225.60x = 543,856.80 × 204,761.60
  4. Step 4: Simplify right side
    362,225.60x = 111,360,988,538.88
  5. Step 5: Solve for x
    x = 111,360,988,538.88/362,225.60
  6. Step 6: Final answer
    x = 307,435.45

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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.