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Finding the Fourth Proportional to 333,635.60, 500,456.64 and 266,909.96

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Solution

The fourth proportional to 333,635.60, 500,456.64 and 266,909.96 is: 400,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,635.60 : 500,456.64 = 266,909.96 : x
  2. Step 2: Convert to fraction form
    333,635.60/500,456.64 = 266,909.96/x
  3. Step 3: Cross multiply
    333,635.60x = 500,456.64 × 266,909.96
  4. Step 4: Simplify right side
    333,635.60x = 133,576,861,764.13
  5. Step 5: Solve for x
    x = 133,576,861,764.13/333,635.60
  6. Step 6: Final answer
    x = 400,367.53

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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.