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Finding the Fourth Proportional to 366,904.10, 550,356.15 and 338,035.70

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Solution

The fourth proportional to 366,904.10, 550,356.15 and 338,035.70 is: 507,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.10 : 550,356.15 = 338,035.70 : x
  2. Step 2: Convert to fraction form
    366,904.10/550,356.15 = 338,035.70/x
  3. Step 3: Cross multiply
    366,904.10x = 550,356.15 × 338,035.70
  4. Step 4: Simplify right side
    366,904.10x = 186,040,026,414.56
  5. Step 5: Solve for x
    x = 186,040,026,414.56/366,904.10
  6. Step 6: Final answer
    x = 507,053.55

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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.