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Finding the Fourth Proportional to 506,523.01, 759,785.79 and 207,003.55

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Solution

The fourth proportional to 506,523.01, 759,785.79 and 207,003.55 is: 310,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,523.01 : 759,785.79 = 207,003.55 : x
  2. Step 2: Convert to fraction form
    506,523.01/759,785.79 = 207,003.55/x
  3. Step 3: Cross multiply
    506,523.01x = 759,785.79 × 207,003.55
  4. Step 4: Simplify right side
    506,523.01x = 157,278,355,769.56
  5. Step 5: Solve for x
    x = 157,278,355,769.56/506,523.01
  6. Step 6: Final answer
    x = 310,505.85

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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.