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Finding the Fourth Proportional to 375,747.54, 518,552.46 and 214,654.88

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Solution

The fourth proportional to 375,747.54, 518,552.46 and 214,654.88 is: 296,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,747.54 : 518,552.46 = 214,654.88 : x
  2. Step 2: Convert to fraction form
    375,747.54/518,552.46 = 214,654.88/x
  3. Step 3: Cross multiply
    375,747.54x = 518,552.46 × 214,654.88
  4. Step 4: Simplify right side
    375,747.54x = 111,309,813,482.24
  5. Step 5: Solve for x
    x = 111,309,813,482.24/375,747.54
  6. Step 6: Final answer
    x = 296,235.64

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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.