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Finding the Fourth Proportional to 328,812.04, 453,760.68 and 177,909.04

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Solution

The fourth proportional to 328,812.04, 453,760.68 and 177,909.04 is: 245,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,812.04 : 453,760.68 = 177,909.04 : x
  2. Step 2: Convert to fraction form
    328,812.04/453,760.68 = 177,909.04/x
  3. Step 3: Cross multiply
    328,812.04x = 453,760.68 × 177,909.04
  4. Step 4: Simplify right side
    328,812.04x = 80,728,126,968.55
  5. Step 5: Solve for x
    x = 80,728,126,968.55/328,812.04
  6. Step 6: Final answer
    x = 245,514.51

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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.