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Finding the Fourth Proportional to 468,466.22, 646,477.98 and 253,601.54

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Solution

The fourth proportional to 468,466.22, 646,477.98 and 253,601.54 is: 349,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,466.22 : 646,477.98 = 253,601.54 : x
  2. Step 2: Convert to fraction form
    468,466.22/646,477.98 = 253,601.54/x
  3. Step 3: Cross multiply
    468,466.22x = 646,477.98 × 253,601.54
  4. Step 4: Simplify right side
    468,466.22x = 163,947,811,304.09
  5. Step 5: Solve for x
    x = 163,947,811,304.09/468,466.22
  6. Step 6: Final answer
    x = 349,967.20

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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.