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Finding the Fourth Proportional to 319,174.54, 440,460.76 and 175,936.98

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Solution

The fourth proportional to 319,174.54, 440,460.76 and 175,936.98 is: 242,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,174.54 : 440,460.76 = 175,936.98 : x
  2. Step 2: Convert to fraction form
    319,174.54/440,460.76 = 175,936.98/x
  3. Step 3: Cross multiply
    319,174.54x = 440,460.76 × 175,936.98
  4. Step 4: Simplify right side
    319,174.54x = 77,493,335,481.90
  5. Step 5: Solve for x
    x = 77,493,335,481.90/319,174.54
  6. Step 6: Final answer
    x = 242,792.97

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1.5x scale

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.