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Finding the Fourth Proportional to 501,383.16, 691,796.84 and 297,330.39

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Solution

The fourth proportional to 501,383.16, 691,796.84 and 297,330.39 is: 410,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,383.16 : 691,796.84 = 297,330.39 : x
  2. Step 2: Convert to fraction form
    501,383.16/691,796.84 = 297,330.39/x
  3. Step 3: Cross multiply
    501,383.16x = 691,796.84 × 297,330.39
  4. Step 4: Simplify right side
    501,383.16x = 205,692,222,751.32
  5. Step 5: Solve for x
    x = 205,692,222,751.32/501,383.16
  6. Step 6: Final answer
    x = 410,249.56

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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.