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Finding the Fourth Proportional to 236,335.60, 354,503.40 and 206,811.10

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Solution

The fourth proportional to 236,335.60, 354,503.40 and 206,811.10 is: 310,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,335.60 : 354,503.40 = 206,811.10 : x
  2. Step 2: Convert to fraction form
    236,335.60/354,503.40 = 206,811.10/x
  3. Step 3: Cross multiply
    236,335.60x = 354,503.40 × 206,811.10
  4. Step 4: Simplify right side
    236,335.60x = 73,315,238,107.74
  5. Step 5: Solve for x
    x = 73,315,238,107.74/236,335.60
  6. Step 6: Final answer
    x = 310,216.65

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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.