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Finding the Fourth Proportional to 468,287.52, 646,236.73 and 253,427.62

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Solution

The fourth proportional to 468,287.52, 646,236.73 and 253,427.62 is: 349,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,287.52 : 646,236.73 = 253,427.62 : x
  2. Step 2: Convert to fraction form
    468,287.52/646,236.73 = 253,427.62/x
  3. Step 3: Cross multiply
    468,287.52x = 646,236.73 × 253,427.62
  4. Step 4: Simplify right side
    468,287.52x = 163,774,236,440.48
  5. Step 5: Solve for x
    x = 163,774,236,440.48/468,287.52
  6. Step 6: Final answer
    x = 349,730.09

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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.