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Finding the Fourth Proportional to 844,752.80, 1,165,758.80 and 505,221.04

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Solution

The fourth proportional to 844,752.80, 1,165,758.80 and 505,221.04 is: 697,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,752.80 : 1,165,758.80 = 505,221.04 : x
  2. Step 2: Convert to fraction form
    844,752.80/1,165,758.80 = 505,221.04/x
  3. Step 3: Cross multiply
    844,752.80x = 1,165,758.80 × 505,221.04
  4. Step 4: Simplify right side
    844,752.80x = 588,965,873,325.15
  5. Step 5: Solve for x
    x = 588,965,873,325.15/844,752.80
  6. Step 6: Final answer
    x = 697,205.00

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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.