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Finding the Fourth Proportional to 468,169.93, 646,069.89 and 253,305.28

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Solution

The fourth proportional to 468,169.93, 646,069.89 and 253,305.28 is: 349,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,169.93 : 646,069.89 = 253,305.28 : x
  2. Step 2: Convert to fraction form
    468,169.93/646,069.89 = 253,305.28/x
  3. Step 3: Cross multiply
    468,169.93x = 646,069.89 × 253,305.28
  4. Step 4: Simplify right side
    468,169.93x = 163,652,914,386.02
  5. Step 5: Solve for x
    x = 163,652,914,386.02/468,169.93
  6. Step 6: Final answer
    x = 349,558.79

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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.