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Finding the Fourth Proportional to 3,158,480.89, 4,738,053.23 and 1,028,730.88

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Solution

The fourth proportional to 3,158,480.89, 4,738,053.23 and 1,028,730.88 is: 1,543,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,480.89 : 4,738,053.23 = 1,028,730.88 : x
  2. Step 2: Convert to fraction form
    3,158,480.89/4,738,053.23 = 1,028,730.88/x
  3. Step 3: Cross multiply
    3,158,480.89x = 4,738,053.23 × 1,028,730.88
  4. Step 4: Simplify right side
    3,158,480.89x = 4,874,181,639,950.82
  5. Step 5: Solve for x
    x = 4,874,181,639,950.82/3,158,480.89
  6. Step 6: Final answer
    x = 1,543,204.41

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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.