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Finding the Fourth Proportional to 235,477.39, 324,948.91 and 133,509.71

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Solution

The fourth proportional to 235,477.39, 324,948.91 and 133,509.71 is: 184,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,477.39 : 324,948.91 = 133,509.71 : x
  2. Step 2: Convert to fraction form
    235,477.39/324,948.91 = 133,509.71/x
  3. Step 3: Cross multiply
    235,477.39x = 324,948.91 × 133,509.71
  4. Step 4: Simplify right side
    235,477.39x = 43,383,832,446.62
  5. Step 5: Solve for x
    x = 43,383,832,446.62/235,477.39
  6. Step 6: Final answer
    x = 184,237.79

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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.