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Finding the Fourth Proportional to 426,449.87, 588,254.11 and 275,546.87

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Solution

The fourth proportional to 426,449.87, 588,254.11 and 275,546.87 is: 380,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,449.87 : 588,254.11 = 275,546.87 : x
  2. Step 2: Convert to fraction form
    426,449.87/588,254.11 = 275,546.87/x
  3. Step 3: Cross multiply
    426,449.87x = 588,254.11 × 275,546.87
  4. Step 4: Simplify right side
    426,449.87x = 162,091,578,775.14
  5. Step 5: Solve for x
    x = 162,091,578,775.14/426,449.87
  6. Step 6: Final answer
    x = 380,095.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.