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Finding the Fourth Proportional to 474,026.78, 711,110.97 and 174,484.59

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Solution

The fourth proportional to 474,026.78, 711,110.97 and 174,484.59 is: 261,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,026.78 : 711,110.97 = 174,484.59 : x
  2. Step 2: Convert to fraction form
    474,026.78/711,110.97 = 174,484.59/x
  3. Step 3: Cross multiply
    474,026.78x = 711,110.97 × 174,484.59
  4. Step 4: Simplify right side
    474,026.78x = 124,077,906,044.95
  5. Step 5: Solve for x
    x = 124,077,906,044.95/474,026.78
  6. Step 6: Final answer
    x = 261,752.95

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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.