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Finding the Fourth Proportional to 707,523.20, 976,369.37 and 385,227.44

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Solution

The fourth proportional to 707,523.20, 976,369.37 and 385,227.44 is: 531,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,523.20 : 976,369.37 = 385,227.44 : x
  2. Step 2: Convert to fraction form
    707,523.20/976,369.37 = 385,227.44/x
  3. Step 3: Cross multiply
    707,523.20x = 976,369.37 × 385,227.44
  4. Step 4: Simplify right side
    707,523.20x = 376,124,266,091.53
  5. Step 5: Solve for x
    x = 376,124,266,091.53/707,523.20
  6. Step 6: Final answer
    x = 531,606.98

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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.