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Finding the Fourth Proportional to 333,276.78, 500,082.84 and 133,739.76

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Solution

The fourth proportional to 333,276.78, 500,082.84 and 133,739.76 is: 200,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,276.78 : 500,082.84 = 133,739.76 : x
  2. Step 2: Convert to fraction form
    333,276.78/500,082.84 = 133,739.76/x
  3. Step 3: Cross multiply
    333,276.78x = 500,082.84 × 133,739.76
  4. Step 4: Simplify right side
    333,276.78x = 66,880,959,001.72
  5. Step 5: Solve for x
    x = 66,880,959,001.72/333,276.78
  6. Step 6: Final answer
    x = 200,676.92

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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.