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Finding the Fourth Proportional to 816,309.36, 1,224,476.36 and 310,898.32

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Solution

The fourth proportional to 816,309.36, 1,224,476.36 and 310,898.32 is: 466,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,309.36 : 1,224,476.36 = 310,898.32 : x
  2. Step 2: Convert to fraction form
    816,309.36/1,224,476.36 = 310,898.32/x
  3. Step 3: Cross multiply
    816,309.36x = 1,224,476.36 × 310,898.32
  4. Step 4: Simplify right side
    816,309.36x = 380,687,643,203.72
  5. Step 5: Solve for x
    x = 380,687,643,203.72/816,309.36
  6. Step 6: Final answer
    x = 466,352.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.