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Finding the Fourth Proportional to 538,864.82, 808,062.48 and 154,528.89

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Solution

The fourth proportional to 538,864.82, 808,062.48 and 154,528.89 is: 231,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,864.82 : 808,062.48 = 154,528.89 : x
  2. Step 2: Convert to fraction form
    538,864.82/808,062.48 = 154,528.89/x
  3. Step 3: Cross multiply
    538,864.82x = 808,062.48 × 154,528.89
  4. Step 4: Simplify right side
    538,864.82x = 124,868,995,634.30
  5. Step 5: Solve for x
    x = 124,868,995,634.30/538,864.82
  6. Step 6: Final answer
    x = 231,726.01

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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.