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Finding the Fourth Proportional to 490,719.56, 736,196.94 and 237,704.31

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Solution

The fourth proportional to 490,719.56, 736,196.94 and 237,704.31 is: 356,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,719.56 : 736,196.94 = 237,704.31 : x
  2. Step 2: Convert to fraction form
    490,719.56/736,196.94 = 237,704.31/x
  3. Step 3: Cross multiply
    490,719.56x = 736,196.94 × 237,704.31
  4. Step 4: Simplify right side
    490,719.56x = 174,997,185,646.81
  5. Step 5: Solve for x
    x = 174,997,185,646.81/490,719.56
  6. Step 6: Final answer
    x = 356,613.43

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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.