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Finding the Fourth Proportional to 411,773.87, 617,767.29 and 241,139.70

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Solution

The fourth proportional to 411,773.87, 617,767.29 and 241,139.70 is: 361,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,773.87 : 617,767.29 = 241,139.70 : x
  2. Step 2: Convert to fraction form
    411,773.87/617,767.29 = 241,139.70/x
  3. Step 3: Cross multiply
    411,773.87x = 617,767.29 × 241,139.70
  4. Step 4: Simplify right side
    411,773.87x = 148,968,218,980.41
  5. Step 5: Solve for x
    x = 148,968,218,980.41/411,773.87
  6. Step 6: Final answer
    x = 361,771.91

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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.