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Finding the Fourth Proportional to 412,050.04, 617,244 and 345,302.80

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Solution

The fourth proportional to 412,050.04, 617,244 and 345,302.80 is: 517,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,050.04 : 617,244 = 345,302.80 : x
  2. Step 2: Convert to fraction form
    412,050.04/617,244 = 345,302.80/x
  3. Step 3: Cross multiply
    412,050.04x = 617,244 × 345,302.80
  4. Step 4: Simplify right side
    412,050.04x = 213,136,081,483.20
  5. Step 5: Solve for x
    x = 213,136,081,483.20/412,050.04
  6. Step 6: Final answer
    x = 517,257.76

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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.