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Finding the Fourth Proportional to 654,868.44, 903,717.01 and 368,388.52

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Solution

The fourth proportional to 654,868.44, 903,717.01 and 368,388.52 is: 508,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,868.44 : 903,717.01 = 368,388.52 : x
  2. Step 2: Convert to fraction form
    654,868.44/903,717.01 = 368,388.52/x
  3. Step 3: Cross multiply
    654,868.44x = 903,717.01 × 368,388.52
  4. Step 4: Simplify right side
    654,868.44x = 332,918,971,812.73
  5. Step 5: Solve for x
    x = 332,918,971,812.73/654,868.44
  6. Step 6: Final answer
    x = 508,375.35

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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.