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Finding the Fourth Proportional to 300,254.58, 450,362.43 and 113,261.22

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Solution

The fourth proportional to 300,254.58, 450,362.43 and 113,261.22 is: 169,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,254.58 : 450,362.43 = 113,261.22 : x
  2. Step 2: Convert to fraction form
    300,254.58/450,362.43 = 113,261.22/x
  3. Step 3: Cross multiply
    300,254.58x = 450,362.43 × 113,261.22
  4. Step 4: Simplify right side
    300,254.58x = 51,008,598,263.96
  5. Step 5: Solve for x
    x = 51,008,598,263.96/300,254.58
  6. Step 6: Final answer
    x = 169,884.50

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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.