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Finding the Fourth Proportional to 322,702.52, 445,340.16 and 177,514.34

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Solution

The fourth proportional to 322,702.52, 445,340.16 and 177,514.34 is: 244,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,702.52 : 445,340.16 = 177,514.34 : x
  2. Step 2: Convert to fraction form
    322,702.52/445,340.16 = 177,514.34/x
  3. Step 3: Cross multiply
    322,702.52x = 445,340.16 × 177,514.34
  4. Step 4: Simplify right side
    322,702.52x = 79,054,262,351.19
  5. Step 5: Solve for x
    x = 79,054,262,351.19/322,702.52
  6. Step 6: Final answer
    x = 244,975.66

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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.