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Finding the Fourth Proportional to 417,321.33, 575,904.15 and 226,334.88

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Solution

The fourth proportional to 417,321.33, 575,904.15 and 226,334.88 is: 312,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,321.33 : 575,904.15 = 226,334.88 : x
  2. Step 2: Convert to fraction form
    417,321.33/575,904.15 = 226,334.88/x
  3. Step 3: Cross multiply
    417,321.33x = 575,904.15 × 226,334.88
  4. Step 4: Simplify right side
    417,321.33x = 130,347,196,681.75
  5. Step 5: Solve for x
    x = 130,347,196,681.75/417,321.33
  6. Step 6: Final answer
    x = 312,342.52

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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.