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Finding the Fourth Proportional to 295,855.65, 408,279.83 and 168,552.81

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Solution

The fourth proportional to 295,855.65, 408,279.83 and 168,552.81 is: 232,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,855.65 : 408,279.83 = 168,552.81 : x
  2. Step 2: Convert to fraction form
    295,855.65/408,279.83 = 168,552.81/x
  3. Step 3: Cross multiply
    295,855.65x = 408,279.83 × 168,552.81
  4. Step 4: Simplify right side
    295,855.65x = 68,816,711,770.06
  5. Step 5: Solve for x
    x = 68,816,711,770.06/295,855.65
  6. Step 6: Final answer
    x = 232,602.32

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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.