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Finding the Fourth Proportional to 328,600.80, 492,755.40 and 151,016.40

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Solution

The fourth proportional to 328,600.80, 492,755.40 and 151,016.40 is: 226,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,600.80 : 492,755.40 = 151,016.40 : x
  2. Step 2: Convert to fraction form
    328,600.80/492,755.40 = 151,016.40/x
  3. Step 3: Cross multiply
    328,600.80x = 492,755.40 × 151,016.40
  4. Step 4: Simplify right side
    328,600.80x = 74,414,146,588.56
  5. Step 5: Solve for x
    x = 74,414,146,588.56/328,600.80
  6. Step 6: Final answer
    x = 226,457.59

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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.