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Finding the Fourth Proportional to 376,733.60, 565,537.80 and 216,936.80

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Solution

The fourth proportional to 376,733.60, 565,537.80 and 216,936.80 is: 325,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,733.60 : 565,537.80 = 216,936.80 : x
  2. Step 2: Convert to fraction form
    376,733.60/565,537.80 = 216,936.80/x
  3. Step 3: Cross multiply
    376,733.60x = 565,537.80 × 216,936.80
  4. Step 4: Simplify right side
    376,733.60x = 122,685,960,611.04
  5. Step 5: Solve for x
    x = 122,685,960,611.04/376,733.60
  6. Step 6: Final answer
    x = 325,657.07

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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.