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Finding the Fourth Proportional to 744,252.84, 1,027,167 and 723,987.48

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Solution

The fourth proportional to 744,252.84, 1,027,167 and 723,987.48 is: 999,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,252.84 : 1,027,167 = 723,987.48 : x
  2. Step 2: Convert to fraction form
    744,252.84/1,027,167 = 723,987.48/x
  3. Step 3: Cross multiply
    744,252.84x = 1,027,167 × 723,987.48
  4. Step 4: Simplify right side
    744,252.84x = 743,656,047,869.16
  5. Step 5: Solve for x
    x = 743,656,047,869.16/744,252.84
  6. Step 6: Final answer
    x = 999,198.13

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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.