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Finding the Fourth Proportional to 453,605.35, 680,026.66 and 303,387.15

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Solution

The fourth proportional to 453,605.35, 680,026.66 and 303,387.15 is: 454,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,605.35 : 680,026.66 = 303,387.15 : x
  2. Step 2: Convert to fraction form
    453,605.35/680,026.66 = 303,387.15/x
  3. Step 3: Cross multiply
    453,605.35x = 680,026.66 × 303,387.15
  4. Step 4: Simplify right side
    453,605.35x = 206,311,351,298.57
  5. Step 5: Solve for x
    x = 206,311,351,298.57/453,605.35
  6. Step 6: Final answer
    x = 454,825.66

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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.