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Finding the Fourth Proportional to 460,772.30, 635,894.88 and 279,501.32

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Solution

The fourth proportional to 460,772.30, 635,894.88 and 279,501.32 is: 385,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,772.30 : 635,894.88 = 279,501.32 : x
  2. Step 2: Convert to fraction form
    460,772.30/635,894.88 = 279,501.32/x
  3. Step 3: Cross multiply
    460,772.30x = 635,894.88 × 279,501.32
  4. Step 4: Simplify right side
    460,772.30x = 177,733,458,341.24
  5. Step 5: Solve for x
    x = 177,733,458,341.24/460,772.30
  6. Step 6: Final answer
    x = 385,729.48

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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.