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Finding the Fourth Proportional to 496,316.62, 744,111.99 and 159,165.36

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Solution

The fourth proportional to 496,316.62, 744,111.99 and 159,165.36 is: 238,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,316.62 : 744,111.99 = 159,165.36 : x
  2. Step 2: Convert to fraction form
    496,316.62/744,111.99 = 159,165.36/x
  3. Step 3: Cross multiply
    496,316.62x = 744,111.99 × 159,165.36
  4. Step 4: Simplify right side
    496,316.62x = 118,436,852,768.67
  5. Step 5: Solve for x
    x = 118,436,852,768.67/496,316.62
  6. Step 6: Final answer
    x = 238,631.65

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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.