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Finding the Fourth Proportional to 355,080.20, 532,620.30 and 236,107.40

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Solution

The fourth proportional to 355,080.20, 532,620.30 and 236,107.40 is: 354,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,080.20 : 532,620.30 = 236,107.40 : x
  2. Step 2: Convert to fraction form
    355,080.20/532,620.30 = 236,107.40/x
  3. Step 3: Cross multiply
    355,080.20x = 532,620.30 × 236,107.40
  4. Step 4: Simplify right side
    355,080.20x = 125,755,594,220.22
  5. Step 5: Solve for x
    x = 125,755,594,220.22/355,080.20
  6. Step 6: Final answer
    x = 354,161.10

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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.