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Finding the Fourth Proportional to 319,273.60, 440,597.19 and 176,035.90

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Solution

The fourth proportional to 319,273.60, 440,597.19 and 176,035.90 is: 242,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,273.60 : 440,597.19 = 176,035.90 : x
  2. Step 2: Convert to fraction form
    319,273.60/440,597.19 = 176,035.90/x
  3. Step 3: Cross multiply
    319,273.60x = 440,597.19 × 176,035.90
  4. Step 4: Simplify right side
    319,273.60x = 77,560,922,879.12
  5. Step 5: Solve for x
    x = 77,560,922,879.12/319,273.60
  6. Step 6: Final answer
    x = 242,929.33

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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.