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Finding the Fourth Proportional to 332,435.71, 498,653.54 and 83,117.71

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Solution

The fourth proportional to 332,435.71, 498,653.54 and 83,117.71 is: 124,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,435.71 : 498,653.54 = 83,117.71 : x
  2. Step 2: Convert to fraction form
    332,435.71/498,653.54 = 83,117.71/x
  3. Step 3: Cross multiply
    332,435.71x = 498,653.54 × 83,117.71
  4. Step 4: Simplify right side
    332,435.71x = 41,446,940,535.99
  5. Step 5: Solve for x
    x = 41,446,940,535.99/332,435.71
  6. Step 6: Final answer
    x = 124,676.56

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1.5x scale

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.