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Finding the Fourth Proportional to 536,998.30, 804,575.85 and 255,910.30

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Solution

The fourth proportional to 536,998.30, 804,575.85 and 255,910.30 is: 383,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,998.30 : 804,575.85 = 255,910.30 : x
  2. Step 2: Convert to fraction form
    536,998.30/804,575.85 = 255,910.30/x
  3. Step 3: Cross multiply
    536,998.30x = 804,575.85 × 255,910.30
  4. Step 4: Simplify right side
    536,998.30x = 205,899,247,146.26
  5. Step 5: Solve for x
    x = 205,899,247,146.26/536,998.30
  6. Step 6: Final answer
    x = 383,426.26

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1.5x scale

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.