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Finding the Fourth Proportional to 426,685.02, 588,383.37 and 366,454.86

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Solution

The fourth proportional to 426,685.02, 588,383.37 and 366,454.86 is: 505,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,685.02 : 588,383.37 = 366,454.86 : x
  2. Step 2: Convert to fraction form
    426,685.02/588,383.37 = 366,454.86/x
  3. Step 3: Cross multiply
    426,685.02x = 588,383.37 × 366,454.86
  4. Step 4: Simplify right side
    426,685.02x = 215,615,945,479.68
  5. Step 5: Solve for x
    x = 215,615,945,479.68/426,685.02
  6. Step 6: Final answer
    x = 505,328.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.