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Finding the Fourth Proportional to 384,055.56, 530,091.54 and 233,278.92

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Solution

The fourth proportional to 384,055.56, 530,091.54 and 233,278.92 is: 321,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,055.56 : 530,091.54 = 233,278.92 : x
  2. Step 2: Convert to fraction form
    384,055.56/530,091.54 = 233,278.92/x
  3. Step 3: Cross multiply
    384,055.56x = 530,091.54 × 233,278.92
  4. Step 4: Simplify right side
    384,055.56x = 123,659,181,952.34
  5. Step 5: Solve for x
    x = 123,659,181,952.34/384,055.56
  6. Step 6: Final answer
    x = 321,982.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.