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Finding the Fourth Proportional to 626,207.72, 864,166.97 and 339,727.73

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Solution

The fourth proportional to 626,207.72, 864,166.97 and 339,727.73 is: 468,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,207.72 : 864,166.97 = 339,727.73 : x
  2. Step 2: Convert to fraction form
    626,207.72/864,166.97 = 339,727.73/x
  3. Step 3: Cross multiply
    626,207.72x = 864,166.97 × 339,727.73
  4. Step 4: Simplify right side
    626,207.72x = 293,581,486,068.82
  5. Step 5: Solve for x
    x = 293,581,486,068.82/626,207.72
  6. Step 6: Final answer
    x = 468,824.44

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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.