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Finding the Fourth Proportional to 695,489.67, 959,872.38 and 502,521.54

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Solution

The fourth proportional to 695,489.67, 959,872.38 and 502,521.54 is: 693,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,489.67 : 959,872.38 = 502,521.54 : x
  2. Step 2: Convert to fraction form
    695,489.67/959,872.38 = 502,521.54/x
  3. Step 3: Cross multiply
    695,489.67x = 959,872.38 × 502,521.54
  4. Step 4: Simplify right side
    695,489.67x = 482,356,546,601.07
  5. Step 5: Solve for x
    x = 482,356,546,601.07/695,489.67
  6. Step 6: Final answer
    x = 693,549.55

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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.