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Finding the Fourth Proportional to 426,338.34, 588,347.70 and 235,351.95

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Solution

The fourth proportional to 426,338.34, 588,347.70 and 235,351.95 is: 324,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,338.34 : 588,347.70 = 235,351.95 : x
  2. Step 2: Convert to fraction form
    426,338.34/588,347.70 = 235,351.95/x
  3. Step 3: Cross multiply
    426,338.34x = 588,347.70 × 235,351.95
  4. Step 4: Simplify right side
    426,338.34x = 138,468,778,473.02
  5. Step 5: Solve for x
    x = 138,468,778,473.02/426,338.34
  6. Step 6: Final answer
    x = 324,786.13

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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.