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Finding the Fourth Proportional to 457,992.73, 687,051.48 and 158,392.90

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Solution

The fourth proportional to 457,992.73, 687,051.48 and 158,392.90 is: 237,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,992.73 : 687,051.48 = 158,392.90 : x
  2. Step 2: Convert to fraction form
    457,992.73/687,051.48 = 158,392.90/x
  3. Step 3: Cross multiply
    457,992.73x = 687,051.48 × 158,392.90
  4. Step 4: Simplify right side
    457,992.73x = 108,824,076,366.49
  5. Step 5: Solve for x
    x = 108,824,076,366.49/457,992.73
  6. Step 6: Final answer
    x = 237,610.93

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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.