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Finding the Fourth Proportional to 483,507.08, 725,010.31 and 217,038.14

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Solution

The fourth proportional to 483,507.08, 725,010.31 and 217,038.14 is: 325,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,507.08 : 725,010.31 = 217,038.14 : x
  2. Step 2: Convert to fraction form
    483,507.08/725,010.31 = 217,038.14/x
  3. Step 3: Cross multiply
    483,507.08x = 725,010.31 × 217,038.14
  4. Step 4: Simplify right side
    483,507.08x = 157,354,889,163.22
  5. Step 5: Solve for x
    x = 157,354,889,163.22/483,507.08
  6. Step 6: Final answer
    x = 325,444.85

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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.