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Finding the Fourth Proportional to 353,175.93, 487,369.35 and 192,031.11

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Solution

The fourth proportional to 353,175.93, 487,369.35 and 192,031.11 is: 264,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,175.93 : 487,369.35 = 192,031.11 : x
  2. Step 2: Convert to fraction form
    353,175.93/487,369.35 = 192,031.11/x
  3. Step 3: Cross multiply
    353,175.93x = 487,369.35 × 192,031.11
  4. Step 4: Simplify right side
    353,175.93x = 93,590,077,260.48
  5. Step 5: Solve for x
    x = 93,590,077,260.48/353,175.93
  6. Step 6: Final answer
    x = 264,995.63

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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.