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Finding the Fourth Proportional to 444,008.20, 666,012.30 and 303,003.40

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Solution

The fourth proportional to 444,008.20, 666,012.30 and 303,003.40 is: 454,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,008.20 : 666,012.30 = 303,003.40 : x
  2. Step 2: Convert to fraction form
    444,008.20/666,012.30 = 303,003.40/x
  3. Step 3: Cross multiply
    444,008.20x = 666,012.30 × 303,003.40
  4. Step 4: Simplify right side
    444,008.20x = 201,803,991,341.82
  5. Step 5: Solve for x
    x = 201,803,991,341.82/444,008.20
  6. Step 6: Final answer
    x = 454,505.10

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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.