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Finding the Fourth Proportional to 460,364.36, 635,334.74 and 279,083.93

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Solution

The fourth proportional to 460,364.36, 635,334.74 and 279,083.93 is: 385,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,364.36 : 635,334.74 = 279,083.93 : x
  2. Step 2: Convert to fraction form
    460,364.36/635,334.74 = 279,083.93/x
  3. Step 3: Cross multiply
    460,364.36x = 635,334.74 × 279,083.93
  4. Step 4: Simplify right side
    460,364.36x = 177,311,716,104.73
  5. Step 5: Solve for x
    x = 177,311,716,104.73/460,364.36
  6. Step 6: Final answer
    x = 385,155.18

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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.