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Finding the Fourth Proportional to 468,301.36, 646,255.88 and 253,442.96

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Solution

The fourth proportional to 468,301.36, 646,255.88 and 253,442.96 is: 349,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,301.36 : 646,255.88 = 253,442.96 : x
  2. Step 2: Convert to fraction form
    468,301.36/646,255.88 = 253,442.96/x
  3. Step 3: Cross multiply
    468,301.36x = 646,255.88 × 253,442.96
  4. Step 4: Simplify right side
    468,301.36x = 163,789,003,144.61
  5. Step 5: Solve for x
    x = 163,789,003,144.61/468,301.36
  6. Step 6: Final answer
    x = 349,751.29

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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.