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Finding the Fourth Proportional to 650,171.76, 974,592.72 and 223,579.68

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Solution

The fourth proportional to 650,171.76, 974,592.72 and 223,579.68 is: 335,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,171.76 : 974,592.72 = 223,579.68 : x
  2. Step 2: Convert to fraction form
    650,171.76/974,592.72 = 223,579.68/x
  3. Step 3: Cross multiply
    650,171.76x = 974,592.72 × 223,579.68
  4. Step 4: Simplify right side
    650,171.76x = 217,899,128,467.93
  5. Step 5: Solve for x
    x = 217,899,128,467.93/650,171.76
  6. Step 6: Final answer
    x = 335,140.87

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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.