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Finding the Fourth Proportional to 293,270.76, 439,913.78 and 93,590.88

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Solution

The fourth proportional to 293,270.76, 439,913.78 and 93,590.88 is: 140,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,270.76 : 439,913.78 = 93,590.88 : x
  2. Step 2: Convert to fraction form
    293,270.76/439,913.78 = 93,590.88/x
  3. Step 3: Cross multiply
    293,270.76x = 439,913.78 × 93,590.88
  4. Step 4: Simplify right side
    293,270.76x = 41,171,917,326.37
  5. Step 5: Solve for x
    x = 41,171,917,326.37/293,270.76
  6. Step 6: Final answer
    x = 140,388.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.