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Finding the Fourth Proportional to 451,508.76, 622,867.68 and 270,184.32

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Solution

The fourth proportional to 451,508.76, 622,867.68 and 270,184.32 is: 372,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,508.76 : 622,867.68 = 270,184.32 : x
  2. Step 2: Convert to fraction form
    451,508.76/622,867.68 = 270,184.32/x
  3. Step 3: Cross multiply
    451,508.76x = 622,867.68 × 270,184.32
  4. Step 4: Simplify right side
    451,508.76x = 168,289,080,570.78
  5. Step 5: Solve for x
    x = 168,289,080,570.78/451,508.76
  6. Step 6: Final answer
    x = 372,726.06

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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.