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Finding the Fourth Proportional to 508,937.82, 702,016.47 and 327,889.50

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Solution

The fourth proportional to 508,937.82, 702,016.47 and 327,889.50 is: 452,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,937.82 : 702,016.47 = 327,889.50 : x
  2. Step 2: Convert to fraction form
    508,937.82/702,016.47 = 327,889.50/x
  3. Step 3: Cross multiply
    508,937.82x = 702,016.47 × 327,889.50
  4. Step 4: Simplify right side
    508,937.82x = 230,183,829,340.07
  5. Step 5: Solve for x
    x = 230,183,829,340.07/508,937.82
  6. Step 6: Final answer
    x = 452,282.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.