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Finding the Fourth Proportional to 328,403.57, 453,195.61 and 177,500.57

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Solution

The fourth proportional to 328,403.57, 453,195.61 and 177,500.57 is: 244,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,403.57 : 453,195.61 = 177,500.57 : x
  2. Step 2: Convert to fraction form
    328,403.57/453,195.61 = 177,500.57/x
  3. Step 3: Cross multiply
    328,403.57x = 453,195.61 × 177,500.57
  4. Step 4: Simplify right side
    328,403.57x = 80,442,476,386.77
  5. Step 5: Solve for x
    x = 80,442,476,386.77/328,403.57
  6. Step 6: Final answer
    x = 244,950.07

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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.