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Finding the Fourth Proportional to 483,505.57, 725,008.06 and 217,036.63

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Solution

The fourth proportional to 483,505.57, 725,008.06 and 217,036.63 is: 325,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,505.57 : 725,008.06 = 217,036.63 : x
  2. Step 2: Convert to fraction form
    483,505.57/725,008.06 = 217,036.63/x
  3. Step 3: Cross multiply
    483,505.57x = 725,008.06 × 217,036.63
  4. Step 4: Simplify right side
    483,505.57x = 157,353,306,065.24
  5. Step 5: Solve for x
    x = 157,353,306,065.24/483,505.57
  6. Step 6: Final answer
    x = 325,442.59

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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.