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Finding the Fourth Proportional to 441,186.74, 661,717.63 and 141,627.88

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Solution

The fourth proportional to 441,186.74, 661,717.63 and 141,627.88 is: 212,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,186.74 : 661,717.63 = 141,627.88 : x
  2. Step 2: Convert to fraction form
    441,186.74/661,717.63 = 141,627.88/x
  3. Step 3: Cross multiply
    441,186.74x = 661,717.63 × 141,627.88
  4. Step 4: Simplify right side
    441,186.74x = 93,717,665,095.52
  5. Step 5: Solve for x
    x = 93,717,665,095.52/441,186.74
  6. Step 6: Final answer
    x = 212,421.76

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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.