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Finding the Fourth Proportional to 891,794.34, 1,230,522.03 and 504,627.30

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Solution

The fourth proportional to 891,794.34, 1,230,522.03 and 504,627.30 is: 696,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,794.34 : 1,230,522.03 = 504,627.30 : x
  2. Step 2: Convert to fraction form
    891,794.34/1,230,522.03 = 504,627.30/x
  3. Step 3: Cross multiply
    891,794.34x = 1,230,522.03 × 504,627.30
  4. Step 4: Simplify right side
    891,794.34x = 620,955,009,589.42
  5. Step 5: Solve for x
    x = 620,955,009,589.42/891,794.34
  6. Step 6: Final answer
    x = 696,298.44

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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.