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Finding the Fourth Proportional to 378,024.66, 567,118.35 and 188,586.90

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Solution

The fourth proportional to 378,024.66, 567,118.35 and 188,586.90 is: 282,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,024.66 : 567,118.35 = 188,586.90 : x
  2. Step 2: Convert to fraction form
    378,024.66/567,118.35 = 188,586.90/x
  3. Step 3: Cross multiply
    378,024.66x = 567,118.35 × 188,586.90
  4. Step 4: Simplify right side
    378,024.66x = 106,951,091,559.62
  5. Step 5: Solve for x
    x = 106,951,091,559.62/378,024.66
  6. Step 6: Final answer
    x = 282,920.94

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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.