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Finding the Fourth Proportional to 702,463.75, 1,053,606.75 and 222,696.21

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Solution

The fourth proportional to 702,463.75, 1,053,606.75 and 222,696.21 is: 334,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,463.75 : 1,053,606.75 = 222,696.21 : x
  2. Step 2: Convert to fraction form
    702,463.75/1,053,606.75 = 222,696.21/x
  3. Step 3: Cross multiply
    702,463.75x = 1,053,606.75 × 222,696.21
  4. Step 4: Simplify right side
    702,463.75x = 234,634,230,055.42
  5. Step 5: Solve for x
    x = 234,634,230,055.42/702,463.75
  6. Step 6: Final answer
    x = 334,016.14

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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.