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Finding the Fourth Proportional to 484,856.56, 727,399.32 and 152,432.56

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Solution

The fourth proportional to 484,856.56, 727,399.32 and 152,432.56 is: 228,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,856.56 : 727,399.32 = 152,432.56 : x
  2. Step 2: Convert to fraction form
    484,856.56/727,399.32 = 152,432.56/x
  3. Step 3: Cross multiply
    484,856.56x = 727,399.32 × 152,432.56
  4. Step 4: Simplify right side
    484,856.56x = 110,879,340,489.86
  5. Step 5: Solve for x
    x = 110,879,340,489.86/484,856.56
  6. Step 6: Final answer
    x = 228,684.83

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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.