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Finding the Fourth Proportional to 300,700.31, 450,994.03 and 150,900.39

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Solution

The fourth proportional to 300,700.31, 450,994.03 and 150,900.39 is: 226,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,700.31 : 450,994.03 = 150,900.39 : x
  2. Step 2: Convert to fraction form
    300,700.31/450,994.03 = 150,900.39/x
  3. Step 3: Cross multiply
    300,700.31x = 450,994.03 × 150,900.39
  4. Step 4: Simplify right side
    300,700.31x = 68,055,174,637.42
  5. Step 5: Solve for x
    x = 68,055,174,637.42/300,700.31
  6. Step 6: Final answer
    x = 226,322.27

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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.