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Finding the Fourth Proportional to 460,616.29, 635,697.78 and 276,914.33

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Solution

The fourth proportional to 460,616.29, 635,697.78 and 276,914.33 is: 382,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,616.29 : 635,697.78 = 276,914.33 : x
  2. Step 2: Convert to fraction form
    460,616.29/635,697.78 = 276,914.33/x
  3. Step 3: Cross multiply
    460,616.29x = 635,697.78 × 276,914.33
  4. Step 4: Simplify right side
    460,616.29x = 176,033,824,831.19
  5. Step 5: Solve for x
    x = 176,033,824,831.19/460,616.29
  6. Step 6: Final answer
    x = 382,170.21

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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.