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Finding the Fourth Proportional to 277,194.63, 382,528.52 and 156,335.65

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Solution

The fourth proportional to 277,194.63, 382,528.52 and 156,335.65 is: 215,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,194.63 : 382,528.52 = 156,335.65 : x
  2. Step 2: Convert to fraction form
    277,194.63/382,528.52 = 156,335.65/x
  3. Step 3: Cross multiply
    277,194.63x = 382,528.52 × 156,335.65
  4. Step 4: Simplify right side
    277,194.63x = 59,802,845,383.22
  5. Step 5: Solve for x
    x = 59,802,845,383.22/277,194.63
  6. Step 6: Final answer
    x = 215,743.16

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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.