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Finding the Fourth Proportional to 424,845.80, 637,378.35 and 158,608.32

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Solution

The fourth proportional to 424,845.80, 637,378.35 and 158,608.32 is: 237,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,845.80 : 637,378.35 = 158,608.32 : x
  2. Step 2: Convert to fraction form
    424,845.80/637,378.35 = 158,608.32/x
  3. Step 3: Cross multiply
    424,845.80x = 637,378.35 × 158,608.32
  4. Step 4: Simplify right side
    424,845.80x = 101,093,509,297.87
  5. Step 5: Solve for x
    x = 101,093,509,297.87/424,845.80
  6. Step 6: Final answer
    x = 237,953.42

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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.