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Finding the Fourth Proportional to 417,680.76, 576,400.01 and 226,694.17

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Solution

The fourth proportional to 417,680.76, 576,400.01 and 226,694.17 is: 312,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,680.76 : 576,400.01 = 226,694.17 : x
  2. Step 2: Convert to fraction form
    417,680.76/576,400.01 = 226,694.17/x
  3. Step 3: Cross multiply
    417,680.76x = 576,400.01 × 226,694.17
  4. Step 4: Simplify right side
    417,680.76x = 130,666,519,280.47
  5. Step 5: Solve for x
    x = 130,666,519,280.47/417,680.76
  6. Step 6: Final answer
    x = 312,838.25

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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.