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Finding the Fourth Proportional to 328,317.30, 453,077.73 and 177,414.30

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Solution

The fourth proportional to 328,317.30, 453,077.73 and 177,414.30 is: 244,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,317.30 : 453,077.73 = 177,414.30 : x
  2. Step 2: Convert to fraction form
    328,317.30/453,077.73 = 177,414.30/x
  3. Step 3: Cross multiply
    328,317.30x = 453,077.73 × 177,414.30
  4. Step 4: Simplify right side
    328,317.30x = 80,382,468,313.54
  5. Step 5: Solve for x
    x = 80,382,468,313.54/328,317.30
  6. Step 6: Final answer
    x = 244,831.66

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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.