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Finding the Fourth Proportional to 250,669.53, 376,324.88 and 215,356.77

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Solution

The fourth proportional to 250,669.53, 376,324.88 and 215,356.77 is: 323,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,669.53 : 376,324.88 = 215,356.77 : x
  2. Step 2: Convert to fraction form
    250,669.53/376,324.88 = 215,356.77/x
  3. Step 3: Cross multiply
    250,669.53x = 376,324.88 × 215,356.77
  4. Step 4: Simplify right side
    250,669.53x = 81,044,109,550.65
  5. Step 5: Solve for x
    x = 81,044,109,550.65/250,669.53
  6. Step 6: Final answer
    x = 323,310.57

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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.