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Finding the Fourth Proportional to 382,626.59, 574,051.96 and 157,999.82

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Solution

The fourth proportional to 382,626.59, 574,051.96 and 157,999.82 is: 237,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,626.59 : 574,051.96 = 157,999.82 : x
  2. Step 2: Convert to fraction form
    382,626.59/574,051.96 = 157,999.82/x
  3. Step 3: Cross multiply
    382,626.59x = 574,051.96 × 157,999.82
  4. Step 4: Simplify right side
    382,626.59x = 90,700,103,677.89
  5. Step 5: Solve for x
    x = 90,700,103,677.89/382,626.59
  6. Step 6: Final answer
    x = 237,046.01

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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.