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Finding the Fourth Proportional to 375,339.62, 562,892.95 and 135,422.34

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Solution

The fourth proportional to 375,339.62, 562,892.95 and 135,422.34 is: 203,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,339.62 : 562,892.95 = 135,422.34 : x
  2. Step 2: Convert to fraction form
    375,339.62/562,892.95 = 135,422.34/x
  3. Step 3: Cross multiply
    375,339.62x = 562,892.95 × 135,422.34
  4. Step 4: Simplify right side
    375,339.62x = 76,228,280,834.14
  5. Step 5: Solve for x
    x = 76,228,280,834.14/375,339.62
  6. Step 6: Final answer
    x = 203,091.48

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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.