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Finding the Fourth Proportional to 538,959.35, 808,204.34 and 154,623.42

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Solution

The fourth proportional to 538,959.35, 808,204.34 and 154,623.42 is: 231,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,959.35 : 808,204.34 = 154,623.42 : x
  2. Step 2: Convert to fraction form
    538,959.35/808,204.34 = 154,623.42/x
  3. Step 3: Cross multiply
    538,959.35x = 808,204.34 × 154,623.42
  4. Step 4: Simplify right side
    538,959.35x = 124,967,319,496.20
  5. Step 5: Solve for x
    x = 124,967,319,496.20/538,959.35
  6. Step 6: Final answer
    x = 231,867.80

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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.