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Finding the Fourth Proportional to 329,743.51, 455,046.05 and 186,500.48

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Solution

The fourth proportional to 329,743.51, 455,046.05 and 186,500.48 is: 257,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,743.51 : 455,046.05 = 186,500.48 : x
  2. Step 2: Convert to fraction form
    329,743.51/455,046.05 = 186,500.48/x
  3. Step 3: Cross multiply
    329,743.51x = 455,046.05 × 186,500.48
  4. Step 4: Simplify right side
    329,743.51x = 84,866,304,938.12
  5. Step 5: Solve for x
    x = 84,866,304,938.12/329,743.51
  6. Step 6: Final answer
    x = 257,370.66

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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.