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Finding the Fourth Proportional to 253,891.17, 350,356.77 and 146,454.78

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Solution

The fourth proportional to 253,891.17, 350,356.77 and 146,454.78 is: 202,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,891.17 : 350,356.77 = 146,454.78 : x
  2. Step 2: Convert to fraction form
    253,891.17/350,356.77 = 146,454.78/x
  3. Step 3: Cross multiply
    253,891.17x = 350,356.77 × 146,454.78
  4. Step 4: Simplify right side
    253,891.17x = 51,311,423,671.86
  5. Step 5: Solve for x
    x = 51,311,423,671.86/253,891.17
  6. Step 6: Final answer
    x = 202,100.07

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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.