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Finding the Fourth Proportional to 328,583.52, 453,445.12 and 177,680.52

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Solution

The fourth proportional to 328,583.52, 453,445.12 and 177,680.52 is: 245,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,583.52 : 453,445.12 = 177,680.52 : x
  2. Step 2: Convert to fraction form
    328,583.52/453,445.12 = 177,680.52/x
  3. Step 3: Cross multiply
    328,583.52x = 453,445.12 × 177,680.52
  4. Step 4: Simplify right side
    328,583.52x = 80,568,364,713.06
  5. Step 5: Solve for x
    x = 80,568,364,713.06/328,583.52
  6. Step 6: Final answer
    x = 245,199.04

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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.