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Finding the Fourth Proportional to 468,248.49, 646,184.62 and 253,388.54

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Solution

The fourth proportional to 468,248.49, 646,184.62 and 253,388.54 is: 349,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,248.49 : 646,184.62 = 253,388.54 : x
  2. Step 2: Convert to fraction form
    468,248.49/646,184.62 = 253,388.54/x
  3. Step 3: Cross multiply
    468,248.49x = 646,184.62 × 253,388.54
  4. Step 4: Simplify right side
    468,248.49x = 163,735,774,201.33
  5. Step 5: Solve for x
    x = 163,735,774,201.33/468,248.49
  6. Step 6: Final answer
    x = 349,677.10

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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.