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Finding the Fourth Proportional to 366,914.90, 514,380.70 and 366,914.90

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Solution

The fourth proportional to 366,914.90, 514,380.70 and 366,914.90 is: 514,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.90 : 514,380.70 = 366,914.90 : x
  2. Step 2: Convert to fraction form
    366,914.90/514,380.70 = 366,914.90/x
  3. Step 3: Cross multiply
    366,914.90x = 514,380.70 × 366,914.90
  4. Step 4: Simplify right side
    366,914.90x = 188,733,943,102.43
  5. Step 5: Solve for x
    x = 188,733,943,102.43/366,914.90
  6. Step 6: Final answer
    x = 514,380.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.