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Finding the Fourth Proportional to 416,819.52, 575,203.41 and 235,527.55

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Solution

The fourth proportional to 416,819.52, 575,203.41 and 235,527.55 is: 325,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,819.52 : 575,203.41 = 235,527.55 : x
  2. Step 2: Convert to fraction form
    416,819.52/575,203.41 = 235,527.55/x
  3. Step 3: Cross multiply
    416,819.52x = 575,203.41 × 235,527.55
  4. Step 4: Simplify right side
    416,819.52x = 135,476,248,470.94
  5. Step 5: Solve for x
    x = 135,476,248,470.94/416,819.52
  6. Step 6: Final answer
    x = 325,023.76

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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.