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Finding the Fourth Proportional to 806,010.80, 1,208,800.20 and 244,894.64

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Solution

The fourth proportional to 806,010.80, 1,208,800.20 and 244,894.64 is: 367,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,010.80 : 1,208,800.20 = 244,894.64 : x
  2. Step 2: Convert to fraction form
    806,010.80/1,208,800.20 = 244,894.64/x
  3. Step 3: Cross multiply
    806,010.80x = 1,208,800.20 × 244,894.64
  4. Step 4: Simplify right side
    806,010.80x = 296,028,689,810.93
  5. Step 5: Solve for x
    x = 296,028,689,810.93/806,010.80
  6. Step 6: Final answer
    x = 367,276.33

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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.