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Finding the Fourth Proportional to 626,757.44, 864,935.67 and 340,277.45

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Solution

The fourth proportional to 626,757.44, 864,935.67 and 340,277.45 is: 469,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,757.44 : 864,935.67 = 340,277.45 : x
  2. Step 2: Convert to fraction form
    626,757.44/864,935.67 = 340,277.45/x
  3. Step 3: Cross multiply
    626,757.44x = 864,935.67 × 340,277.45
  4. Step 4: Simplify right side
    626,757.44x = 294,318,099,876.96
  5. Step 5: Solve for x
    x = 294,318,099,876.96/626,757.44
  6. Step 6: Final answer
    x = 469,588.53

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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.