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Finding the Fourth Proportional to 333,620.88, 500,429.48 and 80,901.18

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Solution

The fourth proportional to 333,620.88, 500,429.48 and 80,901.18 is: 121,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,620.88 : 500,429.48 = 80,901.18 : x
  2. Step 2: Convert to fraction form
    333,620.88/500,429.48 = 80,901.18/x
  3. Step 3: Cross multiply
    333,620.88x = 500,429.48 × 80,901.18
  4. Step 4: Simplify right side
    333,620.88x = 40,485,335,438.79
  5. Step 5: Solve for x
    x = 40,485,335,438.79/333,620.88
  6. Step 6: Final answer
    x = 121,351.32

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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.