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Finding the Fourth Proportional to 536,891.69, 740,923.61 and 295,178.96

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Solution

The fourth proportional to 536,891.69, 740,923.61 and 295,178.96 is: 407,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,891.69 : 740,923.61 = 295,178.96 : x
  2. Step 2: Convert to fraction form
    536,891.69/740,923.61 = 295,178.96/x
  3. Step 3: Cross multiply
    536,891.69x = 740,923.61 × 295,178.96
  4. Step 4: Simplify right side
    536,891.69x = 218,705,055,458.73
  5. Step 5: Solve for x
    x = 218,705,055,458.73/536,891.69
  6. Step 6: Final answer
    x = 407,354.15

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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.