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Finding the Fourth Proportional to 333,079.09, 499,614.01 and 80,357.45

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Solution

The fourth proportional to 333,079.09, 499,614.01 and 80,357.45 is: 120,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,079.09 : 499,614.01 = 80,357.45 : x
  2. Step 2: Convert to fraction form
    333,079.09/499,614.01 = 80,357.45/x
  3. Step 3: Cross multiply
    333,079.09x = 499,614.01 × 80,357.45
  4. Step 4: Simplify right side
    333,079.09x = 40,147,705,128.91
  5. Step 5: Solve for x
    x = 40,147,705,128.91/333,079.09
  6. Step 6: Final answer
    x = 120,535.05

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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.