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Finding the Fourth Proportional to 806,009.80, 1,208,798.70 and 244,893.64

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Solution

The fourth proportional to 806,009.80, 1,208,798.70 and 244,893.64 is: 367,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,009.80 : 1,208,798.70 = 244,893.64 : x
  2. Step 2: Convert to fraction form
    806,009.80/1,208,798.70 = 244,893.64/x
  3. Step 3: Cross multiply
    806,009.80x = 1,208,798.70 × 244,893.64
  4. Step 4: Simplify right side
    806,009.80x = 296,027,113,670.27
  5. Step 5: Solve for x
    x = 296,027,113,670.27/806,009.80
  6. Step 6: Final answer
    x = 367,274.83

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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.