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Finding the Fourth Proportional to 282,453.20, 423,679.80 and 95,464.70

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Solution

The fourth proportional to 282,453.20, 423,679.80 and 95,464.70 is: 143,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,453.20 : 423,679.80 = 95,464.70 : x
  2. Step 2: Convert to fraction form
    282,453.20/423,679.80 = 95,464.70/x
  3. Step 3: Cross multiply
    282,453.20x = 423,679.80 × 95,464.70
  4. Step 4: Simplify right side
    282,453.20x = 40,446,465,003.06
  5. Step 5: Solve for x
    x = 40,446,465,003.06/282,453.20
  6. Step 6: Final answer
    x = 143,197.05

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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.