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Finding the Fourth Proportional to 315,323.72, 472,704.27 and 115,597.46

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Solution

The fourth proportional to 315,323.72, 472,704.27 and 115,597.46 is: 173,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,323.72 : 472,704.27 = 115,597.46 : x
  2. Step 2: Convert to fraction form
    315,323.72/472,704.27 = 115,597.46/x
  3. Step 3: Cross multiply
    315,323.72x = 472,704.27 × 115,597.46
  4. Step 4: Simplify right side
    315,323.72x = 54,643,412,943.15
  5. Step 5: Solve for x
    x = 54,643,412,943.15/315,323.72
  6. Step 6: Final answer
    x = 173,293.06

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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.