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Finding the Fourth Proportional to 426,468.95, 588,515.82 and 235,478.24

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Solution

The fourth proportional to 426,468.95, 588,515.82 and 235,478.24 is: 324,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,468.95 : 588,515.82 = 235,478.24 : x
  2. Step 2: Convert to fraction form
    426,468.95/588,515.82 = 235,478.24/x
  3. Step 3: Cross multiply
    426,468.95x = 588,515.82 × 235,478.24
  4. Step 4: Simplify right side
    426,468.95x = 138,582,669,505.76
  5. Step 5: Solve for x
    x = 138,582,669,505.76/426,468.95
  6. Step 6: Final answer
    x = 324,953.71

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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.