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Finding the Fourth Proportional to 460,696.92, 635,808.06 and 279,402.84

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Solution

The fourth proportional to 460,696.92, 635,808.06 and 279,402.84 is: 385,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,696.92 : 635,808.06 = 279,402.84 : x
  2. Step 2: Convert to fraction form
    460,696.92/635,808.06 = 279,402.84/x
  3. Step 3: Cross multiply
    460,696.92x = 635,808.06 × 279,402.84
  4. Step 4: Simplify right side
    460,696.92x = 177,646,577,658.89
  5. Step 5: Solve for x
    x = 177,646,577,658.89/460,696.92
  6. Step 6: Final answer
    x = 385,604.01

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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.