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Finding the Fourth Proportional to 417,577.56, 576,258.58 and 226,590.96

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Solution

The fourth proportional to 417,577.56, 576,258.58 and 226,590.96 is: 312,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,577.56 : 576,258.58 = 226,590.96 : x
  2. Step 2: Convert to fraction form
    417,577.56/576,258.58 = 226,590.96/x
  3. Step 3: Cross multiply
    417,577.56x = 576,258.58 × 226,590.96
  4. Step 4: Simplify right side
    417,577.56x = 130,574,984,850.44
  5. Step 5: Solve for x
    x = 130,574,984,850.44/417,577.56
  6. Step 6: Final answer
    x = 312,696.36

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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.