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Finding the Fourth Proportional to 477,621.48, 715,841.73 and 241,031.82

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Solution

The fourth proportional to 477,621.48, 715,841.73 and 241,031.82 is: 361,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,621.48 : 715,841.73 = 241,031.82 : x
  2. Step 2: Convert to fraction form
    477,621.48/715,841.73 = 241,031.82/x
  3. Step 3: Cross multiply
    477,621.48x = 715,841.73 × 241,031.82
  4. Step 4: Simplify right side
    477,621.48x = 172,540,635,013.85
  5. Step 5: Solve for x
    x = 172,540,635,013.85/477,621.48
  6. Step 6: Final answer
    x = 361,249.74

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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.