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Finding the Fourth Proportional to 550,655.12, 825,807.56 and 374,295.44

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Solution

The fourth proportional to 550,655.12, 825,807.56 and 374,295.44 is: 561,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,655.12 : 825,807.56 = 374,295.44 : x
  2. Step 2: Convert to fraction form
    550,655.12/825,807.56 = 374,295.44/x
  3. Step 3: Cross multiply
    550,655.12x = 825,807.56 × 374,295.44
  4. Step 4: Simplify right side
    550,655.12x = 309,096,004,025.53
  5. Step 5: Solve for x
    x = 309,096,004,025.53/550,655.12
  6. Step 6: Final answer
    x = 561,324.13

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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.