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Finding the Fourth Proportional to 400,625.87, 600,523.54 and 250,521.66

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Solution

The fourth proportional to 400,625.87, 600,523.54 and 250,521.66 is: 375,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,625.87 : 600,523.54 = 250,521.66 : x
  2. Step 2: Convert to fraction form
    400,625.87/600,523.54 = 250,521.66/x
  3. Step 3: Cross multiply
    400,625.87x = 600,523.54 × 250,521.66
  4. Step 4: Simplify right side
    400,625.87x = 150,444,153,483.57
  5. Step 5: Solve for x
    x = 150,444,153,483.57/400,625.87
  6. Step 6: Final answer
    x = 375,522.82

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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.