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Finding the Fourth Proportional to 460,479.46, 635,293.10 and 279,060.52

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Solution

The fourth proportional to 460,479.46, 635,293.10 and 279,060.52 is: 385,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,479.46 : 635,293.10 = 279,060.52 : x
  2. Step 2: Convert to fraction form
    460,479.46/635,293.10 = 279,060.52/x
  3. Step 3: Cross multiply
    460,479.46x = 635,293.10 × 279,060.52
  4. Step 4: Simplify right side
    460,479.46x = 177,285,222,838.41
  5. Step 5: Solve for x
    x = 177,285,222,838.41/460,479.46
  6. Step 6: Final answer
    x = 385,001.37

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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.