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Finding the Fourth Proportional to 433,391.81, 598,066.22 and 239,799.87

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Solution

The fourth proportional to 433,391.81, 598,066.22 and 239,799.87 is: 330,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,391.81 : 598,066.22 = 239,799.87 : x
  2. Step 2: Convert to fraction form
    433,391.81/598,066.22 = 239,799.87/x
  3. Step 3: Cross multiply
    433,391.81x = 598,066.22 × 239,799.87
  4. Step 4: Simplify right side
    433,391.81x = 143,416,200,608.39
  5. Step 5: Solve for x
    x = 143,416,200,608.39/433,391.81
  6. Step 6: Final answer
    x = 330,915.81

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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.