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Finding the Fourth Proportional to 503,651.10, 695,037.22 and 277,296.60

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Solution

The fourth proportional to 503,651.10, 695,037.22 and 277,296.60 is: 382,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,651.10 : 695,037.22 = 277,296.60 : x
  2. Step 2: Convert to fraction form
    503,651.10/695,037.22 = 277,296.60/x
  3. Step 3: Cross multiply
    503,651.10x = 695,037.22 × 277,296.60
  4. Step 4: Simplify right side
    503,651.10x = 192,731,457,979.45
  5. Step 5: Solve for x
    x = 192,731,457,979.45/503,651.10
  6. Step 6: Final answer
    x = 382,668.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.