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Finding the Fourth Proportional to 362,281.70, 543,422.55 and 268,969.70

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Solution

The fourth proportional to 362,281.70, 543,422.55 and 268,969.70 is: 403,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,281.70 : 543,422.55 = 268,969.70 : x
  2. Step 2: Convert to fraction form
    362,281.70/543,422.55 = 268,969.70/x
  3. Step 3: Cross multiply
    362,281.70x = 543,422.55 × 268,969.70
  4. Step 4: Simplify right side
    362,281.70x = 146,164,200,246.74
  5. Step 5: Solve for x
    x = 146,164,200,246.74/362,281.70
  6. Step 6: Final answer
    x = 403,454.55

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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.