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Finding the Fourth Proportional to 303,851.70, 455,498.91 and 116,722.26

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Solution

The fourth proportional to 303,851.70, 455,498.91 and 116,722.26 is: 174,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,851.70 : 455,498.91 = 116,722.26 : x
  2. Step 2: Convert to fraction form
    303,851.70/455,498.91 = 116,722.26/x
  3. Step 3: Cross multiply
    303,851.70x = 455,498.91 × 116,722.26
  4. Step 4: Simplify right side
    303,851.70x = 53,166,862,202.74
  5. Step 5: Solve for x
    x = 53,166,862,202.74/303,851.70
  6. Step 6: Final answer
    x = 174,976.35

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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.