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Finding the Fourth Proportional to 319,771.73, 441,273.42 and 176,528.70

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Solution

The fourth proportional to 319,771.73, 441,273.42 and 176,528.70 is: 243,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,771.73 : 441,273.42 = 176,528.70 : x
  2. Step 2: Convert to fraction form
    319,771.73/441,273.42 = 176,528.70/x
  3. Step 3: Cross multiply
    319,771.73x = 441,273.42 × 176,528.70
  4. Step 4: Simplify right side
    319,771.73x = 77,897,423,177.15
  5. Step 5: Solve for x
    x = 77,897,423,177.15/319,771.73
  6. Step 6: Final answer
    x = 243,603.22

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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.