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Finding the Fourth Proportional to 417,256.38, 575,813.34 and 226,268.82

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Solution

The fourth proportional to 417,256.38, 575,813.34 and 226,268.82 is: 312,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,256.38 : 575,813.34 = 226,268.82 : x
  2. Step 2: Convert to fraction form
    417,256.38/575,813.34 = 226,268.82/x
  3. Step 3: Cross multiply
    417,256.38x = 575,813.34 × 226,268.82
  4. Step 4: Simplify right side
    417,256.38x = 130,288,604,982.06
  5. Step 5: Solve for x
    x = 130,288,604,982.06/417,256.38
  6. Step 6: Final answer
    x = 312,250.72

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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.