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Finding the Fourth Proportional to 804,541.06, 1,206,869.19 and 243,619.30

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Solution

The fourth proportional to 804,541.06, 1,206,869.19 and 243,619.30 is: 365,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,541.06 : 1,206,869.19 = 243,619.30 : x
  2. Step 2: Convert to fraction form
    804,541.06/1,206,869.19 = 243,619.30/x
  3. Step 3: Cross multiply
    804,541.06x = 1,206,869.19 × 243,619.30
  4. Step 4: Simplify right side
    804,541.06x = 294,016,627,259.37
  5. Step 5: Solve for x
    x = 294,016,627,259.37/804,541.06
  6. Step 6: Final answer
    x = 365,446.39

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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.