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Finding the Fourth Proportional to 333,086.80, 499,484.40 and 133,340.80

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Solution

The fourth proportional to 333,086.80, 499,484.40 and 133,340.80 is: 199,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,086.80 : 499,484.40 = 133,340.80 : x
  2. Step 2: Convert to fraction form
    333,086.80/499,484.40 = 133,340.80/x
  3. Step 3: Cross multiply
    333,086.80x = 499,484.40 × 133,340.80
  4. Step 4: Simplify right side
    333,086.80x = 66,601,649,483.52
  5. Step 5: Solve for x
    x = 66,601,649,483.52/333,086.80
  6. Step 6: Final answer
    x = 199,952.83

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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.