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Finding the Fourth Proportional to 331,572.34, 497,562.51 and 263,702.26

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Solution

The fourth proportional to 331,572.34, 497,562.51 and 263,702.26 is: 395,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,572.34 : 497,562.51 = 263,702.26 : x
  2. Step 2: Convert to fraction form
    331,572.34/497,562.51 = 263,702.26/x
  3. Step 3: Cross multiply
    331,572.34x = 497,562.51 × 263,702.26
  4. Step 4: Simplify right side
    331,572.34x = 131,208,358,378.27
  5. Step 5: Solve for x
    x = 131,208,358,378.27/331,572.34
  6. Step 6: Final answer
    x = 395,715.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.