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Finding the Fourth Proportional to 384,057.56, 530,094.30 and 233,280.92

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Solution

The fourth proportional to 384,057.56, 530,094.30 and 233,280.92 is: 321,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,057.56 : 530,094.30 = 233,280.92 : x
  2. Step 2: Convert to fraction form
    384,057.56/530,094.30 = 233,280.92/x
  3. Step 3: Cross multiply
    384,057.56x = 530,094.30 × 233,280.92
  4. Step 4: Simplify right side
    384,057.56x = 123,660,885,990.76
  5. Step 5: Solve for x
    x = 123,660,885,990.76/384,057.56
  6. Step 6: Final answer
    x = 321,985.29

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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.