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Finding the Fourth Proportional to 632,819.98, 873,247.71 and 360,899.32

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Solution

The fourth proportional to 632,819.98, 873,247.71 and 360,899.32 is: 498,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,819.98 : 873,247.71 = 360,899.32 : x
  2. Step 2: Convert to fraction form
    632,819.98/873,247.71 = 360,899.32/x
  3. Step 3: Cross multiply
    632,819.98x = 873,247.71 × 360,899.32
  4. Step 4: Simplify right side
    632,819.98x = 315,154,504,730.56
  5. Step 5: Solve for x
    x = 315,154,504,730.56/632,819.98
  6. Step 6: Final answer
    x = 498,016.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.