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Finding the Fourth Proportional to 662,287.36, 914,034.38 and 371,946.64

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Solution

The fourth proportional to 662,287.36, 914,034.38 and 371,946.64 is: 513,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,287.36 : 914,034.38 = 371,946.64 : x
  2. Step 2: Convert to fraction form
    662,287.36/914,034.38 = 371,946.64/x
  3. Step 3: Cross multiply
    662,287.36x = 914,034.38 × 371,946.64
  4. Step 4: Simplify right side
    662,287.36x = 339,972,016,485.48
  5. Step 5: Solve for x
    x = 339,972,016,485.48/662,287.36
  6. Step 6: Final answer
    x = 513,330.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.