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Finding the Fourth Proportional to 924,797.20, 1,385,122.20 and 800,381.20

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Solution

The fourth proportional to 924,797.20, 1,385,122.20 and 800,381.20 is: 1,198,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,797.20 : 1,385,122.20 = 800,381.20 : x
  2. Step 2: Convert to fraction form
    924,797.20/1,385,122.20 = 800,381.20/x
  3. Step 3: Cross multiply
    924,797.20x = 1,385,122.20 × 800,381.20
  4. Step 4: Simplify right side
    924,797.20x = 1,108,625,768,582.64
  5. Step 5: Solve for x
    x = 1,108,625,768,582.64/924,797.20
  6. Step 6: Final answer
    x = 1,198,777.17

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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.