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Finding the Fourth Proportional to 366,911.40, 514,375.80 and 366,911.40

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Solution

The fourth proportional to 366,911.40, 514,375.80 and 366,911.40 is: 514,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.40 : 514,375.80 = 366,911.40 : x
  2. Step 2: Convert to fraction form
    366,911.40/514,375.80 = 366,911.40/x
  3. Step 3: Cross multiply
    366,911.40x = 514,375.80 × 366,911.40
  4. Step 4: Simplify right side
    366,911.40x = 188,730,344,904.12
  5. Step 5: Solve for x
    x = 188,730,344,904.12/366,911.40
  6. Step 6: Final answer
    x = 514,375.80

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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.