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Finding the Fourth Proportional to 333,967.76, 499,769.11 and 207,667.48

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Solution

The fourth proportional to 333,967.76, 499,769.11 and 207,667.48 is: 310,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,967.76 : 499,769.11 = 207,667.48 : x
  2. Step 2: Convert to fraction form
    333,967.76/499,769.11 = 207,667.48/x
  3. Step 3: Cross multiply
    333,967.76x = 499,769.11 × 207,667.48
  4. Step 4: Simplify right side
    333,967.76x = 103,785,789,886.95
  5. Step 5: Solve for x
    x = 103,785,789,886.95/333,967.76
  6. Step 6: Final answer
    x = 310,765.90

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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.