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Finding the Fourth Proportional to 483,674.39, 725,513.27 and 146,717.95

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Solution

The fourth proportional to 483,674.39, 725,513.27 and 146,717.95 is: 220,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,674.39 : 725,513.27 = 146,717.95 : x
  2. Step 2: Convert to fraction form
    483,674.39/725,513.27 = 146,717.95/x
  3. Step 3: Cross multiply
    483,674.39x = 725,513.27 × 146,717.95
  4. Step 4: Simplify right side
    483,674.39x = 106,445,819,672.20
  5. Step 5: Solve for x
    x = 106,445,819,672.20/483,674.39
  6. Step 6: Final answer
    x = 220,077.44

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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.