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Finding the Fourth Proportional to 797,987, 1,101,245.10 and 440,314.04

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Solution

The fourth proportional to 797,987, 1,101,245.10 and 440,314.04 is: 607,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,987 : 1,101,245.10 = 440,314.04 : x
  2. Step 2: Convert to fraction form
    797,987/1,101,245.10 = 440,314.04/x
  3. Step 3: Cross multiply
    797,987x = 1,101,245.10 × 440,314.04
  4. Step 4: Simplify right side
    797,987x = 484,893,679,011.20
  5. Step 5: Solve for x
    x = 484,893,679,011.20/797,987
  6. Step 6: Final answer
    x = 607,646.09

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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.