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Finding the Fourth Proportional to 374,198.52, 561,385.44 and 255,925.56

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Solution

The fourth proportional to 374,198.52, 561,385.44 and 255,925.56 is: 383,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,198.52 : 561,385.44 = 255,925.56 : x
  2. Step 2: Convert to fraction form
    374,198.52/561,385.44 = 255,925.56/x
  3. Step 3: Cross multiply
    374,198.52x = 561,385.44 × 255,925.56
  4. Step 4: Simplify right side
    374,198.52x = 143,672,883,107.85
  5. Step 5: Solve for x
    x = 143,672,883,107.85/374,198.52
  6. Step 6: Final answer
    x = 383,948.29

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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.