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Finding the Fourth Proportional to 328,520.24, 453,358.59 and 177,617.24

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Solution

The fourth proportional to 328,520.24, 453,358.59 and 177,617.24 is: 245,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,520.24 : 453,358.59 = 177,617.24 : x
  2. Step 2: Convert to fraction form
    328,520.24/453,358.59 = 177,617.24/x
  3. Step 3: Cross multiply
    328,520.24x = 453,358.59 × 177,617.24
  4. Step 4: Simplify right side
    328,520.24x = 80,524,301,486.09
  5. Step 5: Solve for x
    x = 80,524,301,486.09/328,520.24
  6. Step 6: Final answer
    x = 245,112.15

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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.