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Finding the Fourth Proportional to 622,912.61, 934,213.39 and 202,308.77

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Solution

The fourth proportional to 622,912.61, 934,213.39 and 202,308.77 is: 303,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,912.61 : 934,213.39 = 202,308.77 : x
  2. Step 2: Convert to fraction form
    622,912.61/934,213.39 = 202,308.77/x
  3. Step 3: Cross multiply
    622,912.61x = 934,213.39 × 202,308.77
  4. Step 4: Simplify right side
    622,912.61x = 188,999,561,848.43
  5. Step 5: Solve for x
    x = 188,999,561,848.43/622,912.61
  6. Step 6: Final answer
    x = 303,412.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.