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Finding the Fourth Proportional to 503,634.38, 695,019.64 and 274,193.24

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Solution

The fourth proportional to 503,634.38, 695,019.64 and 274,193.24 is: 378,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,634.38 : 695,019.64 = 274,193.24 : x
  2. Step 2: Convert to fraction form
    503,634.38/695,019.64 = 274,193.24/x
  3. Step 3: Cross multiply
    503,634.38x = 695,019.64 × 274,193.24
  4. Step 4: Simplify right side
    503,634.38x = 190,569,686,955.23
  5. Step 5: Solve for x
    x = 190,569,686,955.23/503,634.38
  6. Step 6: Final answer
    x = 378,388.96

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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.