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Finding the Fourth Proportional to 468,248.48, 646,184.62 and 253,388.52

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Solution

The fourth proportional to 468,248.48, 646,184.62 and 253,388.52 is: 349,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,248.48 : 646,184.62 = 253,388.52 : x
  2. Step 2: Convert to fraction form
    468,248.48/646,184.62 = 253,388.52/x
  3. Step 3: Cross multiply
    468,248.48x = 646,184.62 × 253,388.52
  4. Step 4: Simplify right side
    468,248.48x = 163,735,764,508.56
  5. Step 5: Solve for x
    x = 163,735,764,508.56/468,248.48
  6. Step 6: Final answer
    x = 349,677.09

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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.