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Finding the Fourth Proportional to 468,747.92, 646,871.88 and 253,887.92

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Solution

The fourth proportional to 468,747.92, 646,871.88 and 253,887.92 is: 350,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,747.92 : 646,871.88 = 253,887.92 : x
  2. Step 2: Convert to fraction form
    468,747.92/646,871.88 = 253,887.92/x
  3. Step 3: Cross multiply
    468,747.92x = 646,871.88 × 253,887.92
  4. Step 4: Simplify right side
    468,747.92x = 164,232,956,119.69
  5. Step 5: Solve for x
    x = 164,232,956,119.69/468,747.92
  6. Step 6: Final answer
    x = 350,365.19

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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.