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Finding the Fourth Proportional to 460,364.94, 635,335.56 and 279,084.51

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Solution

The fourth proportional to 460,364.94, 635,335.56 and 279,084.51 is: 385,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,364.94 : 635,335.56 = 279,084.51 : x
  2. Step 2: Convert to fraction form
    460,364.94/635,335.56 = 279,084.51/x
  3. Step 3: Cross multiply
    460,364.94x = 635,335.56 × 279,084.51
  4. Step 4: Simplify right side
    460,364.94x = 177,312,308,876.08
  5. Step 5: Solve for x
    x = 177,312,308,876.08/460,364.94
  6. Step 6: Final answer
    x = 385,155.98

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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.