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Finding the Fourth Proportional to 483,887.06, 725,783.69 and 146,930.68

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Solution

The fourth proportional to 483,887.06, 725,783.69 and 146,930.68 is: 220,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,887.06 : 725,783.69 = 146,930.68 : x
  2. Step 2: Convert to fraction form
    483,887.06/725,783.69 = 146,930.68/x
  3. Step 3: Cross multiply
    483,887.06x = 725,783.69 × 146,930.68
  4. Step 4: Simplify right side
    483,887.06x = 106,639,889,479.36
  5. Step 5: Solve for x
    x = 106,639,889,479.36/483,887.06
  6. Step 6: Final answer
    x = 220,381.77

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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.