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Finding the Fourth Proportional to 704,568, 1,056,630 and 231,143.04

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Solution

The fourth proportional to 704,568, 1,056,630 and 231,143.04 is: 346,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,568 : 1,056,630 = 231,143.04 : x
  2. Step 2: Convert to fraction form
    704,568/1,056,630 = 231,143.04/x
  3. Step 3: Cross multiply
    704,568x = 1,056,630 × 231,143.04
  4. Step 4: Simplify right side
    704,568x = 244,232,670,355.20
  5. Step 5: Solve for x
    x = 244,232,670,355.20/704,568
  6. Step 6: Final answer
    x = 346,641.73

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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.