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Finding the Fourth Proportional to 291,463.56, 437,211.01 and 91,799.57

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Solution

The fourth proportional to 291,463.56, 437,211.01 and 91,799.57 is: 137,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,463.56 : 437,211.01 = 91,799.57 : x
  2. Step 2: Convert to fraction form
    291,463.56/437,211.01 = 91,799.57/x
  3. Step 3: Cross multiply
    291,463.56x = 437,211.01 × 91,799.57
  4. Step 4: Simplify right side
    291,463.56x = 40,135,783,925.04
  5. Step 5: Solve for x
    x = 40,135,783,925.04/291,463.56
  6. Step 6: Final answer
    x = 137,704.29

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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.