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Finding the Fourth Proportional to 607,517.80, 910,401.90 and 270,282.40

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Solution

The fourth proportional to 607,517.80, 910,401.90 and 270,282.40 is: 405,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,517.80 : 910,401.90 = 270,282.40 : x
  2. Step 2: Convert to fraction form
    607,517.80/910,401.90 = 270,282.40/x
  3. Step 3: Cross multiply
    607,517.80x = 910,401.90 × 270,282.40
  4. Step 4: Simplify right side
    607,517.80x = 246,065,610,496.56
  5. Step 5: Solve for x
    x = 246,065,610,496.56/607,517.80
  6. Step 6: Final answer
    x = 405,034.40

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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.