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Finding the Fourth Proportional to 657,495.92, 985,651.80 and 236,475.80

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Solution

The fourth proportional to 657,495.92, 985,651.80 and 236,475.80 is: 354,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,495.92 : 985,651.80 = 236,475.80 : x
  2. Step 2: Convert to fraction form
    657,495.92/985,651.80 = 236,475.80/x
  3. Step 3: Cross multiply
    657,495.92x = 985,651.80 × 236,475.80
  4. Step 4: Simplify right side
    657,495.92x = 233,082,797,926.44
  5. Step 5: Solve for x
    x = 233,082,797,926.44/657,495.92
  6. Step 6: Final answer
    x = 354,500.75

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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.