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Finding the Fourth Proportional to 332,076.75, 498,113.37 and 129,693.39

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Solution

The fourth proportional to 332,076.75, 498,113.37 and 129,693.39 is: 194,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,076.75 : 498,113.37 = 129,693.39 : x
  2. Step 2: Convert to fraction form
    332,076.75/498,113.37 = 129,693.39/x
  3. Step 3: Cross multiply
    332,076.75x = 498,113.37 × 129,693.39
  4. Step 4: Simplify right side
    332,076.75x = 64,602,011,559.62
  5. Step 5: Solve for x
    x = 64,602,011,559.62/332,076.75
  6. Step 6: Final answer
    x = 194,539.40

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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.