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Finding the Fourth Proportional to 328,195.25, 452,909.45 and 177,292.25

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Solution

The fourth proportional to 328,195.25, 452,909.45 and 177,292.25 is: 244,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,195.25 : 452,909.45 = 177,292.25 : x
  2. Step 2: Convert to fraction form
    328,195.25/452,909.45 = 177,292.25/x
  3. Step 3: Cross multiply
    328,195.25x = 452,909.45 × 177,292.25
  4. Step 4: Simplify right side
    328,195.25x = 80,297,335,436.76
  5. Step 5: Solve for x
    x = 80,297,335,436.76/328,195.25
  6. Step 6: Final answer
    x = 244,663.31

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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.