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Finding the Fourth Proportional to 946,656, 1,306,387.52 and 516,936.96

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Solution

The fourth proportional to 946,656, 1,306,387.52 and 516,936.96 is: 713,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,656 : 1,306,387.52 = 516,936.96 : x
  2. Step 2: Convert to fraction form
    946,656/1,306,387.52 = 516,936.96/x
  3. Step 3: Cross multiply
    946,656x = 1,306,387.52 × 516,936.96
  4. Step 4: Simplify right side
    946,656x = 675,319,993,170.74
  5. Step 5: Solve for x
    x = 675,319,993,170.74/946,656
  6. Step 6: Final answer
    x = 713,374.23

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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.