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Finding the Fourth Proportional to 474,433.40, 654,717.33 and 259,574.33

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Solution

The fourth proportional to 474,433.40, 654,717.33 and 259,574.33 is: 358,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,433.40 : 654,717.33 = 259,574.33 : x
  2. Step 2: Convert to fraction form
    474,433.40/654,717.33 = 259,574.33/x
  3. Step 3: Cross multiply
    474,433.40x = 654,717.33 × 259,574.33
  4. Step 4: Simplify right side
    474,433.40x = 169,947,813,910.93
  5. Step 5: Solve for x
    x = 169,947,813,910.93/474,433.40
  6. Step 6: Final answer
    x = 358,212.16

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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.