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Finding the Fourth Proportional to 996,469.10, 1,492,954.05 and 818,009.90

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Solution

The fourth proportional to 996,469.10, 1,492,954.05 and 818,009.90 is: 1,225,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,469.10 : 1,492,954.05 = 818,009.90 : x
  2. Step 2: Convert to fraction form
    996,469.10/1,492,954.05 = 818,009.90/x
  3. Step 3: Cross multiply
    996,469.10x = 1,492,954.05 × 818,009.90
  4. Step 4: Simplify right side
    996,469.10x = 1,221,251,193,145.10
  5. Step 5: Solve for x
    x = 1,221,251,193,145.10/996,469.10
  6. Step 6: Final answer
    x = 1,225,578.59

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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.