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Finding the Fourth Proportional to 441,680.45, 609,897.86 and 427,397.97

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Solution

The fourth proportional to 441,680.45, 609,897.86 and 427,397.97 is: 590,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,680.45 : 609,897.86 = 427,397.97 : x
  2. Step 2: Convert to fraction form
    441,680.45/609,897.86 = 427,397.97/x
  3. Step 3: Cross multiply
    441,680.45x = 609,897.86 × 427,397.97
  4. Step 4: Simplify right side
    441,680.45x = 260,669,107,271.34
  5. Step 5: Solve for x
    x = 260,669,107,271.34/441,680.45
  6. Step 6: Final answer
    x = 590,175.79

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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.