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Finding the Fourth Proportional to 235,476.57, 324,947.78 and 133,508.89

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Solution

The fourth proportional to 235,476.57, 324,947.78 and 133,508.89 is: 184,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,476.57 : 324,947.78 = 133,508.89 : x
  2. Step 2: Convert to fraction form
    235,476.57/324,947.78 = 133,508.89/x
  3. Step 3: Cross multiply
    235,476.57x = 324,947.78 × 133,508.89
  4. Step 4: Simplify right side
    235,476.57x = 43,383,417,415.76
  5. Step 5: Solve for x
    x = 43,383,417,415.76/235,476.57
  6. Step 6: Final answer
    x = 184,236.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.