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Finding the Fourth Proportional to 531,613.28, 797,157.36 and 194,399.72

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Solution

The fourth proportional to 531,613.28, 797,157.36 and 194,399.72 is: 291,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,613.28 : 797,157.36 = 194,399.72 : x
  2. Step 2: Convert to fraction form
    531,613.28/797,157.36 = 194,399.72/x
  3. Step 3: Cross multiply
    531,613.28x = 797,157.36 × 194,399.72
  4. Step 4: Simplify right side
    531,613.28x = 154,967,167,579.94
  5. Step 5: Solve for x
    x = 154,967,167,579.94/531,613.28
  6. Step 6: Final answer
    x = 291,503.57

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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.