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Finding the Fourth Proportional to 546,297.68, 819,521.30 and 186,371.90

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Solution

The fourth proportional to 546,297.68, 819,521.30 and 186,371.90 is: 279,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,297.68 : 819,521.30 = 186,371.90 : x
  2. Step 2: Convert to fraction form
    546,297.68/819,521.30 = 186,371.90/x
  3. Step 3: Cross multiply
    546,297.68x = 819,521.30 × 186,371.90
  4. Step 4: Simplify right side
    546,297.68x = 152,735,741,213.00
  5. Step 5: Solve for x
    x = 152,735,741,213.00/546,297.68
  6. Step 6: Final answer
    x = 279,583.36

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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.