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Finding the Fourth Proportional to 460,477.46, 635,290.34 and 279,058.52

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Solution

The fourth proportional to 460,477.46, 635,290.34 and 279,058.52 is: 384,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,477.46 : 635,290.34 = 279,058.52 : x
  2. Step 2: Convert to fraction form
    460,477.46/635,290.34 = 279,058.52/x
  3. Step 3: Cross multiply
    460,477.46x = 635,290.34 × 279,058.52
  4. Step 4: Simplify right side
    460,477.46x = 177,283,182,050.70
  5. Step 5: Solve for x
    x = 177,283,182,050.70/460,477.46
  6. Step 6: Final answer
    x = 384,998.61

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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.