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Finding the Fourth Proportional to 384,043.56, 530,074.98 and 233,266.92

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Solution

The fourth proportional to 384,043.56, 530,074.98 and 233,266.92 is: 321,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,043.56 : 530,074.98 = 233,266.92 : x
  2. Step 2: Convert to fraction form
    384,043.56/530,074.98 = 233,266.92/x
  3. Step 3: Cross multiply
    384,043.56x = 530,074.98 × 233,266.92
  4. Step 4: Simplify right side
    384,043.56x = 123,648,957,953.66
  5. Step 5: Solve for x
    x = 123,648,957,953.66/384,043.56
  6. Step 6: Final answer
    x = 321,965.97

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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.