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Finding the Fourth Proportional to 713,910.15, 1,070,900.73 and 234,186.30

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Solution

The fourth proportional to 713,910.15, 1,070,900.73 and 234,186.30 is: 351,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,910.15 : 1,070,900.73 = 234,186.30 : x
  2. Step 2: Convert to fraction form
    713,910.15/1,070,900.73 = 234,186.30/x
  3. Step 3: Cross multiply
    713,910.15x = 1,070,900.73 × 234,186.30
  4. Step 4: Simplify right side
    713,910.15x = 250,790,279,626.00
  5. Step 5: Solve for x
    x = 250,790,279,626.00/713,910.15
  6. Step 6: Final answer
    x = 351,291.10

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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.