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Finding the Fourth Proportional to 417,221.55, 575,762.58 and 226,234.62

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Solution

The fourth proportional to 417,221.55, 575,762.58 and 226,234.62 is: 312,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,221.55 : 575,762.58 = 226,234.62 : x
  2. Step 2: Convert to fraction form
    417,221.55/575,762.58 = 226,234.62/x
  3. Step 3: Cross multiply
    417,221.55x = 575,762.58 × 226,234.62
  4. Step 4: Simplify right side
    417,221.55x = 130,257,428,496.52
  5. Step 5: Solve for x
    x = 130,257,428,496.52/417,221.55
  6. Step 6: Final answer
    x = 312,202.06

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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.