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Finding the Fourth Proportional to 315,976.68, 473,999.58 and 116,392.68

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Solution

The fourth proportional to 315,976.68, 473,999.58 and 116,392.68 is: 174,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,976.68 : 473,999.58 = 116,392.68 : x
  2. Step 2: Convert to fraction form
    315,976.68/473,999.58 = 116,392.68/x
  3. Step 3: Cross multiply
    315,976.68x = 473,999.58 × 116,392.68
  4. Step 4: Simplify right side
    315,976.68x = 55,170,081,435.07
  5. Step 5: Solve for x
    x = 55,170,081,435.07/315,976.68
  6. Step 6: Final answer
    x = 174,601.75

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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.