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Finding the Fourth Proportional to 797,704, 1,100,909.28 and 440,008

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Solution

The fourth proportional to 797,704, 1,100,909.28 and 440,008 is: 607,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,704 : 1,100,909.28 = 440,008 : x
  2. Step 2: Convert to fraction form
    797,704/1,100,909.28 = 440,008/x
  3. Step 3: Cross multiply
    797,704x = 1,100,909.28 × 440,008
  4. Step 4: Simplify right side
    797,704x = 484,408,890,474.24
  5. Step 5: Solve for x
    x = 484,408,890,474.24/797,704
  6. Step 6: Final answer
    x = 607,253.93

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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.