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Finding the Fourth Proportional to 617,492.92, 852,186 and 345,588.04

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Solution

The fourth proportional to 617,492.92, 852,186 and 345,588.04 is: 476,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,492.92 : 852,186 = 345,588.04 : x
  2. Step 2: Convert to fraction form
    617,492.92/852,186 = 345,588.04/x
  3. Step 3: Cross multiply
    617,492.92x = 852,186 × 345,588.04
  4. Step 4: Simplify right side
    617,492.92x = 294,505,289,455.44
  5. Step 5: Solve for x
    x = 294,505,289,455.44/617,492.92
  6. Step 6: Final answer
    x = 476,937.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.