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Finding the Fourth Proportional to 575,974.20, 862,406.10 and 575,974.20

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Solution

The fourth proportional to 575,974.20, 862,406.10 and 575,974.20 is: 862,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,974.20 : 862,406.10 = 575,974.20 : x
  2. Step 2: Convert to fraction form
    575,974.20/862,406.10 = 575,974.20/x
  3. Step 3: Cross multiply
    575,974.20x = 862,406.10 × 575,974.20
  4. Step 4: Simplify right side
    575,974.20x = 496,723,663,522.62
  5. Step 5: Solve for x
    x = 496,723,663,522.62/575,974.20
  6. Step 6: Final answer
    x = 862,406.10

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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.