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Finding the Fourth Proportional to 681,883.37, 940,770.61 and 440,329.22

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Solution

The fourth proportional to 681,883.37, 940,770.61 and 440,329.22 is: 607,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,883.37 : 940,770.61 = 440,329.22 : x
  2. Step 2: Convert to fraction form
    681,883.37/940,770.61 = 440,329.22/x
  3. Step 3: Cross multiply
    681,883.37x = 940,770.61 × 440,329.22
  4. Step 4: Simplify right side
    681,883.37x = 414,248,788,900.22
  5. Step 5: Solve for x
    x = 414,248,788,900.22/681,883.37
  6. Step 6: Final answer
    x = 607,506.81

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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.