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Finding the Fourth Proportional to 537,007.30, 804,589.35 and 255,919.30

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Solution

The fourth proportional to 537,007.30, 804,589.35 and 255,919.30 is: 383,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,007.30 : 804,589.35 = 255,919.30 : x
  2. Step 2: Convert to fraction form
    537,007.30/804,589.35 = 255,919.30/x
  3. Step 3: Cross multiply
    537,007.30x = 804,589.35 × 255,919.30
  4. Step 4: Simplify right side
    537,007.30x = 205,909,943,239.46
  5. Step 5: Solve for x
    x = 205,909,943,239.46/537,007.30
  6. Step 6: Final answer
    x = 383,439.75

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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.