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Finding the Fourth Proportional to 305,733.72, 458,105.52 and 187,045.32

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Solution

The fourth proportional to 305,733.72, 458,105.52 and 187,045.32 is: 280,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,733.72 : 458,105.52 = 187,045.32 : x
  2. Step 2: Convert to fraction form
    305,733.72/458,105.52 = 187,045.32/x
  3. Step 3: Cross multiply
    305,733.72x = 458,105.52 × 187,045.32
  4. Step 4: Simplify right side
    305,733.72x = 85,686,493,582.17
  5. Step 5: Solve for x
    x = 85,686,493,582.17/305,733.72
  6. Step 6: Final answer
    x = 280,265.11

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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.