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Finding the Fourth Proportional to 426,364.53, 588,379.25 and 235,373.82

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Solution

The fourth proportional to 426,364.53, 588,379.25 and 235,373.82 is: 324,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,364.53 : 588,379.25 = 235,373.82 : x
  2. Step 2: Convert to fraction form
    426,364.53/588,379.25 = 235,373.82/x
  3. Step 3: Cross multiply
    426,364.53x = 588,379.25 × 235,373.82
  4. Step 4: Simplify right side
    426,364.53x = 138,489,072,269.67
  5. Step 5: Solve for x
    x = 138,489,072,269.67/426,364.53
  6. Step 6: Final answer
    x = 324,813.77

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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.