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Finding the Fourth Proportional to 398,550.60, 596,951.10 and 346,062.60

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Solution

The fourth proportional to 398,550.60, 596,951.10 and 346,062.60 is: 518,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,550.60 : 596,951.10 = 346,062.60 : x
  2. Step 2: Convert to fraction form
    398,550.60/596,951.10 = 346,062.60/x
  3. Step 3: Cross multiply
    398,550.60x = 596,951.10 × 346,062.60
  4. Step 4: Simplify right side
    398,550.60x = 206,582,449,738.86
  5. Step 5: Solve for x
    x = 206,582,449,738.86/398,550.60
  6. Step 6: Final answer
    x = 518,334.31

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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.