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Finding the Fourth Proportional to 316,480.26, 474,669.21 and 116,894.64

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Solution

The fourth proportional to 316,480.26, 474,669.21 and 116,894.64 is: 175,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,480.26 : 474,669.21 = 116,894.64 : x
  2. Step 2: Convert to fraction form
    316,480.26/474,669.21 = 116,894.64/x
  3. Step 3: Cross multiply
    316,480.26x = 474,669.21 × 116,894.64
  4. Step 4: Simplify right side
    316,480.26x = 55,486,288,640.40
  5. Step 5: Solve for x
    x = 55,486,288,640.40/316,480.26
  6. Step 6: Final answer
    x = 175,323.06

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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.