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Finding the Fourth Proportional to 657,494.92, 985,650.30 and 236,474.80

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Solution

The fourth proportional to 657,494.92, 985,650.30 and 236,474.80 is: 354,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,494.92 : 985,650.30 = 236,474.80 : x
  2. Step 2: Convert to fraction form
    657,494.92/985,650.30 = 236,474.80/x
  3. Step 3: Cross multiply
    657,494.92x = 985,650.30 × 236,474.80
  4. Step 4: Simplify right side
    657,494.92x = 233,081,457,562.44
  5. Step 5: Solve for x
    x = 233,081,457,562.44/657,494.92
  6. Step 6: Final answer
    x = 354,499.25

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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.