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Finding the Fourth Proportional to 417,680.88, 576,399.93 and 226,694.22

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Solution

The fourth proportional to 417,680.88, 576,399.93 and 226,694.22 is: 312,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,680.88 : 576,399.93 = 226,694.22 : x
  2. Step 2: Convert to fraction form
    417,680.88/576,399.93 = 226,694.22/x
  3. Step 3: Cross multiply
    417,680.88x = 576,399.93 × 226,694.22
  4. Step 4: Simplify right side
    417,680.88x = 130,666,532,539.41
  5. Step 5: Solve for x
    x = 130,666,532,539.41/417,680.88
  6. Step 6: Final answer
    x = 312,838.19

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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.