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Finding the Fourth Proportional to 441,602.82, 662,421.10 and 138,024.92

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Solution

The fourth proportional to 441,602.82, 662,421.10 and 138,024.92 is: 207,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,602.82 : 662,421.10 = 138,024.92 : x
  2. Step 2: Convert to fraction form
    441,602.82/662,421.10 = 138,024.92/x
  3. Step 3: Cross multiply
    441,602.82x = 662,421.10 × 138,024.92
  4. Step 4: Simplify right side
    441,602.82x = 91,430,620,644.80
  5. Step 5: Solve for x
    x = 91,430,620,644.80/441,602.82
  6. Step 6: Final answer
    x = 207,042.66

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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.