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Finding the Fourth Proportional to 454,165.78, 681,520.83 and 187,929.94

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Solution

The fourth proportional to 454,165.78, 681,520.83 and 187,929.94 is: 282,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,165.78 : 681,520.83 = 187,929.94 : x
  2. Step 2: Convert to fraction form
    454,165.78/681,520.83 = 187,929.94/x
  3. Step 3: Cross multiply
    454,165.78x = 681,520.83 × 187,929.94
  4. Step 4: Simplify right side
    454,165.78x = 128,078,168,690.65
  5. Step 5: Solve for x
    x = 128,078,168,690.65/454,165.78
  6. Step 6: Final answer
    x = 282,007.53

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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.