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Finding the Fourth Proportional to 313,270.54, 432,308.69 and 177,330.27

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Solution

The fourth proportional to 313,270.54, 432,308.69 and 177,330.27 is: 244,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,270.54 : 432,308.69 = 177,330.27 : x
  2. Step 2: Convert to fraction form
    313,270.54/432,308.69 = 177,330.27/x
  3. Step 3: Cross multiply
    313,270.54x = 432,308.69 × 177,330.27
  4. Step 4: Simplify right side
    313,270.54x = 76,661,413,672.85
  5. Step 5: Solve for x
    x = 76,661,413,672.85/313,270.54
  6. Step 6: Final answer
    x = 244,713.13

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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.