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Finding the Fourth Proportional to 328,449.76, 453,260.76 and 185,209.84

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Solution

The fourth proportional to 328,449.76, 453,260.76 and 185,209.84 is: 255,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,449.76 : 453,260.76 = 185,209.84 : x
  2. Step 2: Convert to fraction form
    328,449.76/453,260.76 = 185,209.84/x
  3. Step 3: Cross multiply
    328,449.76x = 453,260.76 × 185,209.84
  4. Step 4: Simplify right side
    328,449.76x = 83,948,352,837.88
  5. Step 5: Solve for x
    x = 83,948,352,837.88/328,449.76
  6. Step 6: Final answer
    x = 255,589.63

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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.