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Finding the Fourth Proportional to 301,187.49, 451,689.09 and 101,454.31

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Solution

The fourth proportional to 301,187.49, 451,689.09 and 101,454.31 is: 152,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,187.49 : 451,689.09 = 101,454.31 : x
  2. Step 2: Convert to fraction form
    301,187.49/451,689.09 = 101,454.31/x
  3. Step 3: Cross multiply
    301,187.49x = 451,689.09 × 101,454.31
  4. Step 4: Simplify right side
    301,187.49x = 45,825,804,960.48
  5. Step 5: Solve for x
    x = 45,825,804,960.48/301,187.49
  6. Step 6: Final answer
    x = 152,150.43

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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.