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Finding the Fourth Proportional to 366,826.20, 514,489.80 and 366,826.20

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Solution

The fourth proportional to 366,826.20, 514,489.80 and 366,826.20 is: 514,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,826.20 : 514,489.80 = 366,826.20 : x
  2. Step 2: Convert to fraction form
    366,826.20/514,489.80 = 366,826.20/x
  3. Step 3: Cross multiply
    366,826.20x = 514,489.80 × 366,826.20
  4. Step 4: Simplify right side
    366,826.20x = 188,728,338,272.76
  5. Step 5: Solve for x
    x = 188,728,338,272.76/366,826.20
  6. Step 6: Final answer
    x = 514,489.80

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1.5x scale

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.