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Finding the Fourth Proportional to 672,116.80, 927,512.66 and 366,205.92

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Solution

The fourth proportional to 672,116.80, 927,512.66 and 366,205.92 is: 505,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,116.80 : 927,512.66 = 366,205.92 : x
  2. Step 2: Convert to fraction form
    672,116.80/927,512.66 = 366,205.92/x
  3. Step 3: Cross multiply
    672,116.80x = 927,512.66 × 366,205.92
  4. Step 4: Simplify right side
    672,116.80x = 339,660,626,966.95
  5. Step 5: Solve for x
    x = 339,660,626,966.95/672,116.80
  6. Step 6: Final answer
    x = 505,359.53

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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.