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Finding the Fourth Proportional to 426,334.36, 588,342.86 and 235,347.32

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Solution

The fourth proportional to 426,334.36, 588,342.86 and 235,347.32 is: 324,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,334.36 : 588,342.86 = 235,347.32 : x
  2. Step 2: Convert to fraction form
    426,334.36/588,342.86 = 235,347.32/x
  3. Step 3: Cross multiply
    426,334.36x = 588,342.86 × 235,347.32
  4. Step 4: Simplify right side
    426,334.36x = 138,464,915,342.14
  5. Step 5: Solve for x
    x = 138,464,915,342.14/426,334.36
  6. Step 6: Final answer
    x = 324,780.10

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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.