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Finding the Fourth Proportional to 816,240.88, 1,224,359.64 and 217,202

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Solution

The fourth proportional to 816,240.88, 1,224,359.64 and 217,202 is: 325,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,240.88 : 1,224,359.64 = 217,202 : x
  2. Step 2: Convert to fraction form
    816,240.88/1,224,359.64 = 217,202/x
  3. Step 3: Cross multiply
    816,240.88x = 1,224,359.64 × 217,202
  4. Step 4: Simplify right side
    816,240.88x = 265,933,362,527.28
  5. Step 5: Solve for x
    x = 265,933,362,527.28/816,240.88
  6. Step 6: Final answer
    x = 325,802.55

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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.