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Finding the Fourth Proportional to 625,396.92, 937,538.58 and 225,948.60

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Solution

The fourth proportional to 625,396.92, 937,538.58 and 225,948.60 is: 338,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,396.92 : 937,538.58 = 225,948.60 : x
  2. Step 2: Convert to fraction form
    625,396.92/937,538.58 = 225,948.60/x
  3. Step 3: Cross multiply
    625,396.92x = 937,538.58 × 225,948.60
  4. Step 4: Simplify right side
    625,396.92x = 211,835,529,596.99
  5. Step 5: Solve for x
    x = 211,835,529,596.99/625,396.92
  6. Step 6: Final answer
    x = 338,721.73

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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.