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Finding the Fourth Proportional to 496,730.16, 744,866.82 and 159,708.60

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Solution

The fourth proportional to 496,730.16, 744,866.82 and 159,708.60 is: 239,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,730.16 : 744,866.82 = 159,708.60 : x
  2. Step 2: Convert to fraction form
    496,730.16/744,866.82 = 159,708.60/x
  3. Step 3: Cross multiply
    496,730.16x = 744,866.82 × 159,708.60
  4. Step 4: Simplify right side
    496,730.16x = 118,961,637,008.65
  5. Step 5: Solve for x
    x = 118,961,637,008.65/496,730.16
  6. Step 6: Final answer
    x = 239,489.46

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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.