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Finding the Fourth Proportional to 375,400.92, 518,061.63 and 214,252.73

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Solution

The fourth proportional to 375,400.92, 518,061.63 and 214,252.73 is: 295,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,400.92 : 518,061.63 = 214,252.73 : x
  2. Step 2: Convert to fraction form
    375,400.92/518,061.63 = 214,252.73/x
  3. Step 3: Cross multiply
    375,400.92x = 518,061.63 × 214,252.73
  4. Step 4: Simplify right side
    375,400.92x = 110,996,118,535.75
  5. Step 5: Solve for x
    x = 110,996,118,535.75/375,400.92
  6. Step 6: Final answer
    x = 295,673.54

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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.