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Finding the Fourth Proportional to 263,062.77, 362,784.52 and 172,385.80

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Solution

The fourth proportional to 263,062.77, 362,784.52 and 172,385.80 is: 237,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,062.77 : 362,784.52 = 172,385.80 : x
  2. Step 2: Convert to fraction form
    263,062.77/362,784.52 = 172,385.80/x
  3. Step 3: Cross multiply
    263,062.77x = 362,784.52 × 172,385.80
  4. Step 4: Simplify right side
    263,062.77x = 62,538,899,707.82
  5. Step 5: Solve for x
    x = 62,538,899,707.82/263,062.77
  6. Step 6: Final answer
    x = 237,733.75

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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.