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Finding the Fourth Proportional to 250,433.84, 374,752.83 and 216,815.49

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Solution

The fourth proportional to 250,433.84, 374,752.83 and 216,815.49 is: 324,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,433.84 : 374,752.83 = 216,815.49 : x
  2. Step 2: Convert to fraction form
    250,433.84/374,752.83 = 216,815.49/x
  3. Step 3: Cross multiply
    250,433.84x = 374,752.83 × 216,815.49
  4. Step 4: Simplify right side
    250,433.84x = 81,252,219,722.59
  5. Step 5: Solve for x
    x = 81,252,219,722.59/250,433.84
  6. Step 6: Final answer
    x = 324,445.85

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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.