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Finding the Fourth Proportional to 435,084.44, 599,297.82 and 307,540.76

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Solution

The fourth proportional to 435,084.44, 599,297.82 and 307,540.76 is: 423,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,084.44 : 599,297.82 = 307,540.76 : x
  2. Step 2: Convert to fraction form
    435,084.44/599,297.82 = 307,540.76/x
  3. Step 3: Cross multiply
    435,084.44x = 599,297.82 × 307,540.76
  4. Step 4: Simplify right side
    435,084.44x = 184,308,507,029.14
  5. Step 5: Solve for x
    x = 184,308,507,029.14/435,084.44
  6. Step 6: Final answer
    x = 423,615.49

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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.