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Finding the Fourth Proportional to 974,793.26, 1,462,215 and 462,338.66

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Solution

The fourth proportional to 974,793.26, 1,462,215 and 462,338.66 is: 693,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,793.26 : 1,462,215 = 462,338.66 : x
  2. Step 2: Convert to fraction form
    974,793.26/1,462,215 = 462,338.66/x
  3. Step 3: Cross multiply
    974,793.26x = 1,462,215 × 462,338.66
  4. Step 4: Simplify right side
    974,793.26x = 676,038,523,731.90
  5. Step 5: Solve for x
    x = 676,038,523,731.90/974,793.26
  6. Step 6: Final answer
    x = 693,519.90

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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.