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Finding the Fourth Proportional to 467,560.20, 699,590.70 and 310,096.20

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Solution

The fourth proportional to 467,560.20, 699,590.70 and 310,096.20 is: 463,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,560.20 : 699,590.70 = 310,096.20 : x
  2. Step 2: Convert to fraction form
    467,560.20/699,590.70 = 310,096.20/x
  3. Step 3: Cross multiply
    467,560.20x = 699,590.70 × 310,096.20
  4. Step 4: Simplify right side
    467,560.20x = 216,940,417,625.34
  5. Step 5: Solve for x
    x = 216,940,417,625.34/467,560.20
  6. Step 6: Final answer
    x = 463,983.93

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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.