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Finding the Fourth Proportional to 332,435.90, 498,653.84 and 83,117.90

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Solution

The fourth proportional to 332,435.90, 498,653.84 and 83,117.90 is: 124,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,435.90 : 498,653.84 = 83,117.90 : x
  2. Step 2: Convert to fraction form
    332,435.90/498,653.84 = 83,117.90/x
  3. Step 3: Cross multiply
    332,435.90x = 498,653.84 × 83,117.90
  4. Step 4: Simplify right side
    332,435.90x = 41,447,059,592.15
  5. Step 5: Solve for x
    x = 41,447,059,592.15/332,435.90
  6. Step 6: Final answer
    x = 124,676.85

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Similar ratio
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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.