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Finding the Fourth Proportional to 251,600.85, 347,206.32 and 187,357.44

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Solution

The fourth proportional to 251,600.85, 347,206.32 and 187,357.44 is: 258,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,600.85 : 347,206.32 = 187,357.44 : x
  2. Step 2: Convert to fraction form
    251,600.85/347,206.32 = 187,357.44/x
  3. Step 3: Cross multiply
    251,600.85x = 347,206.32 × 187,357.44
  4. Step 4: Simplify right side
    251,600.85x = 65,051,687,267.02
  5. Step 5: Solve for x
    x = 65,051,687,267.02/251,600.85
  6. Step 6: Final answer
    x = 258,551.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.