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Finding the Fourth Proportional to 475,082.86, 655,614.63 and 260,226.52

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Solution

The fourth proportional to 475,082.86, 655,614.63 and 260,226.52 is: 359,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,082.86 : 655,614.63 = 260,226.52 : x
  2. Step 2: Convert to fraction form
    475,082.86/655,614.63 = 260,226.52/x
  3. Step 3: Cross multiply
    475,082.86x = 655,614.63 × 260,226.52
  4. Step 4: Simplify right side
    475,082.86x = 170,608,313,625.99
  5. Step 5: Solve for x
    x = 170,608,313,625.99/475,082.86
  6. Step 6: Final answer
    x = 359,112.75

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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.