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Finding the Fourth Proportional to 365,003.72, 547,505.56 and 137,342.12

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Solution

The fourth proportional to 365,003.72, 547,505.56 and 137,342.12 is: 206,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,003.72 : 547,505.56 = 137,342.12 : x
  2. Step 2: Convert to fraction form
    365,003.72/547,505.56 = 137,342.12/x
  3. Step 3: Cross multiply
    365,003.72x = 547,505.56 × 137,342.12
  4. Step 4: Simplify right side
    365,003.72x = 75,195,574,322.19
  5. Step 5: Solve for x
    x = 75,195,574,322.19/365,003.72
  6. Step 6: Final answer
    x = 206,013.17

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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.