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Finding the Fourth Proportional to 570,519.52, 855,163.92 and 370,983.04

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Solution

The fourth proportional to 570,519.52, 855,163.92 and 370,983.04 is: 556,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,519.52 : 855,163.92 = 370,983.04 : x
  2. Step 2: Convert to fraction form
    570,519.52/855,163.92 = 370,983.04/x
  3. Step 3: Cross multiply
    570,519.52x = 855,163.92 × 370,983.04
  4. Step 4: Simplify right side
    570,519.52x = 317,251,310,739.92
  5. Step 5: Solve for x
    x = 317,251,310,739.92/570,519.52
  6. Step 6: Final answer
    x = 556,074.42

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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.