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Finding the Fourth Proportional to 661,957.44, 992,968.96 and 188,712.52

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Solution

The fourth proportional to 661,957.44, 992,968.96 and 188,712.52 is: 283,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,957.44 : 992,968.96 = 188,712.52 : x
  2. Step 2: Convert to fraction form
    661,957.44/992,968.96 = 188,712.52/x
  3. Step 3: Cross multiply
    661,957.44x = 992,968.96 × 188,712.52
  4. Step 4: Simplify right side
    661,957.44x = 187,385,674,723.38
  5. Step 5: Solve for x
    x = 187,385,674,723.38/661,957.44
  6. Step 6: Final answer
    x = 283,078.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.