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Finding the Fourth Proportional to 310,363.20, 465,544.80 and 123,374.70

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Solution

The fourth proportional to 310,363.20, 465,544.80 and 123,374.70 is: 185,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,363.20 : 465,544.80 = 123,374.70 : x
  2. Step 2: Convert to fraction form
    310,363.20/465,544.80 = 123,374.70/x
  3. Step 3: Cross multiply
    310,363.20x = 465,544.80 × 123,374.70
  4. Step 4: Simplify right side
    310,363.20x = 57,436,450,036.56
  5. Step 5: Solve for x
    x = 57,436,450,036.56/310,363.20
  6. Step 6: Final answer
    x = 185,062.05

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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.