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Finding the Fourth Proportional to 483,888.22, 725,785.43 and 146,931.83

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Solution

The fourth proportional to 483,888.22, 725,785.43 and 146,931.83 is: 220,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,888.22 : 725,785.43 = 146,931.83 : x
  2. Step 2: Convert to fraction form
    483,888.22/725,785.43 = 146,931.83/x
  3. Step 3: Cross multiply
    483,888.22x = 725,785.43 × 146,931.83
  4. Step 4: Simplify right side
    483,888.22x = 106,640,981,417.24
  5. Step 5: Solve for x
    x = 106,640,981,417.24/483,888.22
  6. Step 6: Final answer
    x = 220,383.50

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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.