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Finding the Fourth Proportional to 335,389.73, 503,020.40 and 130,224.38

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Solution

The fourth proportional to 335,389.73, 503,020.40 and 130,224.38 is: 195,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,389.73 : 503,020.40 = 130,224.38 : x
  2. Step 2: Convert to fraction form
    335,389.73/503,020.40 = 130,224.38/x
  3. Step 3: Cross multiply
    335,389.73x = 503,020.40 × 130,224.38
  4. Step 4: Simplify right side
    335,389.73x = 65,505,520,323.78
  5. Step 5: Solve for x
    x = 65,505,520,323.78/335,389.73
  6. Step 6: Final answer
    x = 195,311.65

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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.