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Finding the Fourth Proportional to 362,139.70, 543,209.55 and 268,827.70

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Solution

The fourth proportional to 362,139.70, 543,209.55 and 268,827.70 is: 403,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,139.70 : 543,209.55 = 268,827.70 : x
  2. Step 2: Convert to fraction form
    362,139.70/543,209.55 = 268,827.70/x
  3. Step 3: Cross multiply
    362,139.70x = 543,209.55 × 268,827.70
  4. Step 4: Simplify right side
    362,139.70x = 146,029,773,944.54
  5. Step 5: Solve for x
    x = 146,029,773,944.54/362,139.70
  6. Step 6: Final answer
    x = 403,241.55

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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.