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Finding the Fourth Proportional to 497,267.67, 686,229.46 and 270,913.17

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Solution

The fourth proportional to 497,267.67, 686,229.46 and 270,913.17 is: 373,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,267.67 : 686,229.46 = 270,913.17 : x
  2. Step 2: Convert to fraction form
    497,267.67/686,229.46 = 270,913.17/x
  3. Step 3: Cross multiply
    497,267.67x = 686,229.46 × 270,913.17
  4. Step 4: Simplify right side
    497,267.67x = 185,908,598,355.99
  5. Step 5: Solve for x
    x = 185,908,598,355.99/497,267.67
  6. Step 6: Final answer
    x = 373,860.22

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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.