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Finding the Fourth Proportional to 417,255.90, 575,808.10 and 226,267.01

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Solution

The fourth proportional to 417,255.90, 575,808.10 and 226,267.01 is: 312,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,255.90 : 575,808.10 = 226,267.01 : x
  2. Step 2: Convert to fraction form
    417,255.90/575,808.10 = 226,267.01/x
  3. Step 3: Cross multiply
    417,255.90x = 575,808.10 × 226,267.01
  4. Step 4: Simplify right side
    417,255.90x = 130,286,377,120.78
  5. Step 5: Solve for x
    x = 130,286,377,120.78/417,255.90
  6. Step 6: Final answer
    x = 312,245.74

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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.