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Finding the Fourth Proportional to 503,636.38, 695,022.40 and 274,195.24

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Solution

The fourth proportional to 503,636.38, 695,022.40 and 274,195.24 is: 378,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,636.38 : 695,022.40 = 274,195.24 : x
  2. Step 2: Convert to fraction form
    503,636.38/695,022.40 = 274,195.24/x
  3. Step 3: Cross multiply
    503,636.38x = 695,022.40 × 274,195.24
  4. Step 4: Simplify right side
    503,636.38x = 190,571,833,773.38
  5. Step 5: Solve for x
    x = 190,571,833,773.38/503,636.38
  6. Step 6: Final answer
    x = 378,391.72

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1.5x scale

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.