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Finding the Fourth Proportional to 441,514.88, 662,272.38 and 141,988.89

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Solution

The fourth proportional to 441,514.88, 662,272.38 and 141,988.89 is: 212,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,514.88 : 662,272.38 = 141,988.89 : x
  2. Step 2: Convert to fraction form
    441,514.88/662,272.38 = 141,988.89/x
  3. Step 3: Cross multiply
    441,514.88x = 662,272.38 × 141,988.89
  4. Step 4: Simplify right side
    441,514.88x = 94,035,320,113.86
  5. Step 5: Solve for x
    x = 94,035,320,113.86/441,514.88
  6. Step 6: Final answer
    x = 212,983.36

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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.