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Finding the Fourth Proportional to 426,335.67, 588,342.60 and 235,348.56

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Solution

The fourth proportional to 426,335.67, 588,342.60 and 235,348.56 is: 324,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,335.67 : 588,342.60 = 235,348.56 : x
  2. Step 2: Convert to fraction form
    426,335.67/588,342.60 = 235,348.56/x
  3. Step 3: Cross multiply
    426,335.67x = 588,342.60 × 235,348.56
  4. Step 4: Simplify right side
    426,335.67x = 138,465,583,696.66
  5. Step 5: Solve for x
    x = 138,465,583,696.66/426,335.67
  6. Step 6: Final answer
    x = 324,780.67

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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.