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Finding the Fourth Proportional to 417,258.82, 575,817.48 and 226,272.16

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Solution

The fourth proportional to 417,258.82, 575,817.48 and 226,272.16 is: 312,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,258.82 : 575,817.48 = 226,272.16 : x
  2. Step 2: Convert to fraction form
    417,258.82/575,817.48 = 226,272.16/x
  3. Step 3: Cross multiply
    417,258.82x = 575,817.48 × 226,272.16
  4. Step 4: Simplify right side
    417,258.82x = 130,291,464,965.36
  5. Step 5: Solve for x
    x = 130,291,464,965.36/417,258.82
  6. Step 6: Final answer
    x = 312,255.75

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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.