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Finding the Fourth Proportional to 468,436.15, 702,982.28 and 202,387.60

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Solution

The fourth proportional to 468,436.15, 702,982.28 and 202,387.60 is: 303,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,436.15 : 702,982.28 = 202,387.60 : x
  2. Step 2: Convert to fraction form
    468,436.15/702,982.28 = 202,387.60/x
  3. Step 3: Cross multiply
    468,436.15x = 702,982.28 × 202,387.60
  4. Step 4: Simplify right side
    468,436.15x = 142,274,895,479.79
  5. Step 5: Solve for x
    x = 142,274,895,479.79/468,436.15
  6. Step 6: Final answer
    x = 303,723.13

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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.