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Finding the Fourth Proportional to 442,993.70, 664,490.55 and 310,024.10

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Solution

The fourth proportional to 442,993.70, 664,490.55 and 310,024.10 is: 465,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,993.70 : 664,490.55 = 310,024.10 : x
  2. Step 2: Convert to fraction form
    442,993.70/664,490.55 = 310,024.10/x
  3. Step 3: Cross multiply
    442,993.70x = 664,490.55 × 310,024.10
  4. Step 4: Simplify right side
    442,993.70x = 206,008,084,722.26
  5. Step 5: Solve for x
    x = 206,008,084,722.26/442,993.70
  6. Step 6: Final answer
    x = 465,036.15

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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.