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Finding the Fourth Proportional to 530,639.60, 795,998.57 and 151,592.40

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Solution

The fourth proportional to 530,639.60, 795,998.57 and 151,592.40 is: 227,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,639.60 : 795,998.57 = 151,592.40 : x
  2. Step 2: Convert to fraction form
    530,639.60/795,998.57 = 151,592.40/x
  3. Step 3: Cross multiply
    530,639.60x = 795,998.57 × 151,592.40
  4. Step 4: Simplify right side
    530,639.60x = 120,667,332,864.91
  5. Step 5: Solve for x
    x = 120,667,332,864.91/530,639.60
  6. Step 6: Final answer
    x = 227,399.79

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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.