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Finding the Fourth Proportional to 467,544.20, 699,566.70 and 310,080.20

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Solution

The fourth proportional to 467,544.20, 699,566.70 and 310,080.20 is: 463,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,544.20 : 699,566.70 = 310,080.20 : x
  2. Step 2: Convert to fraction form
    467,544.20/699,566.70 = 310,080.20/x
  3. Step 3: Cross multiply
    467,544.20x = 699,566.70 × 310,080.20
  4. Step 4: Simplify right side
    467,544.20x = 216,921,782,249.34
  5. Step 5: Solve for x
    x = 216,921,782,249.34/467,544.20
  6. Step 6: Final answer
    x = 463,959.95

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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.