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Finding the Fourth Proportional to 503,577.39, 694,936.75 and 274,136.32

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Solution

The fourth proportional to 503,577.39, 694,936.75 and 274,136.32 is: 378,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577.39 : 694,936.75 = 274,136.32 : x
  2. Step 2: Convert to fraction form
    503,577.39/694,936.75 = 274,136.32/x
  3. Step 3: Cross multiply
    503,577.39x = 694,936.75 × 274,136.32
  4. Step 4: Simplify right side
    503,577.39x = 190,507,403,277.76
  5. Step 5: Solve for x
    x = 190,507,403,277.76/503,577.39
  6. Step 6: Final answer
    x = 378,308.10

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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.