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Finding the Fourth Proportional to 328,276.39, 453,021.42 and 177,373.39

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Solution

The fourth proportional to 328,276.39, 453,021.42 and 177,373.39 is: 244,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,276.39 : 453,021.42 = 177,373.39 : x
  2. Step 2: Convert to fraction form
    328,276.39/453,021.42 = 177,373.39/x
  3. Step 3: Cross multiply
    328,276.39x = 453,021.42 × 177,373.39
  4. Step 4: Simplify right side
    328,276.39x = 80,353,941,856.04
  5. Step 5: Solve for x
    x = 80,353,941,856.04/328,276.39
  6. Step 6: Final answer
    x = 244,775.27

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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.