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Finding the Fourth Proportional to 417,158.73, 575,680.31 and 226,172.21

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Solution

The fourth proportional to 417,158.73, 575,680.31 and 226,172.21 is: 312,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,158.73 : 575,680.31 = 226,172.21 : x
  2. Step 2: Convert to fraction form
    417,158.73/575,680.31 = 226,172.21/x
  3. Step 3: Cross multiply
    417,158.73x = 575,680.31 × 226,172.21
  4. Step 4: Simplify right side
    417,158.73x = 130,202,883,956.92
  5. Step 5: Solve for x
    x = 130,202,883,956.92/417,158.73
  6. Step 6: Final answer
    x = 312,118.32

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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.