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Finding the Fourth Proportional to 575,711.67, 862,964.24 and 322,621.10

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Solution

The fourth proportional to 575,711.67, 862,964.24 and 322,621.10 is: 483,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,711.67 : 862,964.24 = 322,621.10 : x
  2. Step 2: Convert to fraction form
    575,711.67/862,964.24 = 322,621.10/x
  3. Step 3: Cross multiply
    575,711.67x = 862,964.24 × 322,621.10
  4. Step 4: Simplify right side
    575,711.67x = 278,410,466,441.54
  5. Step 5: Solve for x
    x = 278,410,466,441.54/575,711.67
  6. Step 6: Final answer
    x = 483,593.58

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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.