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Finding the Fourth Proportional to 324,475.96, 486,838.59 and 228,505.28

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Solution

The fourth proportional to 324,475.96, 486,838.59 and 228,505.28 is: 342,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,475.96 : 486,838.59 = 228,505.28 : x
  2. Step 2: Convert to fraction form
    324,475.96/486,838.59 = 228,505.28/x
  3. Step 3: Cross multiply
    324,475.96x = 486,838.59 × 228,505.28
  4. Step 4: Simplify right side
    324,475.96x = 111,245,184,746.04
  5. Step 5: Solve for x
    x = 111,245,184,746.04/324,475.96
  6. Step 6: Final answer
    x = 342,845.69

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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.