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Finding the Fourth Proportional to 426,175.91, 588,121.55 and 235,187.93

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Solution

The fourth proportional to 426,175.91, 588,121.55 and 235,187.93 is: 324,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,175.91 : 588,121.55 = 235,187.93 : x
  2. Step 2: Convert to fraction form
    426,175.91/588,121.55 = 235,187.93/x
  3. Step 3: Cross multiply
    426,175.91x = 588,121.55 × 235,187.93
  4. Step 4: Simplify right side
    426,175.91x = 138,319,089,124.39
  5. Step 5: Solve for x
    x = 138,319,089,124.39/426,175.91
  6. Step 6: Final answer
    x = 324,558.68

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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.