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Finding the Fourth Proportional to 937,162, 1,293,516.84 and 534,987.28

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Solution

The fourth proportional to 937,162, 1,293,516.84 and 534,987.28 is: 738,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,162 : 1,293,516.84 = 534,987.28 : x
  2. Step 2: Convert to fraction form
    937,162/1,293,516.84 = 534,987.28/x
  3. Step 3: Cross multiply
    937,162x = 1,293,516.84 × 534,987.28
  4. Step 4: Simplify right side
    937,162x = 692,015,055,865.80
  5. Step 5: Solve for x
    x = 692,015,055,865.80/937,162
  6. Step 6: Final answer
    x = 738,415.62

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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.