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Finding the Fourth Proportional to 426,308.58, 588,310.71 and 235,322.07

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Solution

The fourth proportional to 426,308.58, 588,310.71 and 235,322.07 is: 324,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,308.58 : 588,310.71 = 235,322.07 : x
  2. Step 2: Convert to fraction form
    426,308.58/588,310.71 = 235,322.07/x
  3. Step 3: Cross multiply
    426,308.58x = 588,310.71 × 235,322.07
  4. Step 4: Simplify right side
    426,308.58x = 138,442,494,080.37
  5. Step 5: Solve for x
    x = 138,442,494,080.37/426,308.58
  6. Step 6: Final answer
    x = 324,747.14

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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.