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Finding the Fourth Proportional to 220,468.51, 330,667.33 and 60,507.08

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Solution

The fourth proportional to 220,468.51, 330,667.33 and 60,507.08 is: 90,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,468.51 : 330,667.33 = 60,507.08 : x
  2. Step 2: Convert to fraction form
    220,468.51/330,667.33 = 60,507.08/x
  3. Step 3: Cross multiply
    220,468.51x = 330,667.33 × 60,507.08
  4. Step 4: Simplify right side
    220,468.51x = 20,007,714,589.70
  5. Step 5: Solve for x
    x = 20,007,714,589.70/220,468.51
  6. Step 6: Final answer
    x = 90,750.89

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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.