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Finding the Fourth Proportional to 340,987.43, 511,628.66 and 183,031.49

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Solution

The fourth proportional to 340,987.43, 511,628.66 and 183,031.49 is: 274,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,987.43 : 511,628.66 = 183,031.49 : x
  2. Step 2: Convert to fraction form
    340,987.43/511,628.66 = 183,031.49/x
  3. Step 3: Cross multiply
    340,987.43x = 511,628.66 × 183,031.49
  4. Step 4: Simplify right side
    340,987.43x = 93,644,157,016.79
  5. Step 5: Solve for x
    x = 93,644,157,016.79/340,987.43
  6. Step 6: Final answer
    x = 274,626.42

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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.