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Finding the Fourth Proportional to 737,805.80, 1,107,703.74 and 472,085

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Solution

The fourth proportional to 737,805.80, 1,107,703.74 and 472,085 is: 708,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,805.80 : 1,107,703.74 = 472,085 : x
  2. Step 2: Convert to fraction form
    737,805.80/1,107,703.74 = 472,085/x
  3. Step 3: Cross multiply
    737,805.80x = 1,107,703.74 × 472,085
  4. Step 4: Simplify right side
    737,805.80x = 522,930,320,097.90
  5. Step 5: Solve for x
    x = 522,930,320,097.90/737,805.80
  6. Step 6: Final answer
    x = 708,764.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.