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Finding the Fourth Proportional to 1,255,468.88, 1,732,581 and 682,548.32

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Solution

The fourth proportional to 1,255,468.88, 1,732,581 and 682,548.32 is: 941,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,468.88 : 1,732,581 = 682,548.32 : x
  2. Step 2: Convert to fraction form
    1,255,468.88/1,732,581 = 682,548.32/x
  3. Step 3: Cross multiply
    1,255,468.88x = 1,732,581 × 682,548.32
  4. Step 4: Simplify right side
    1,255,468.88x = 1,182,570,250,813.92
  5. Step 5: Solve for x
    x = 1,182,570,250,813.92/1,255,468.88
  6. Step 6: Final answer
    x = 941,935.14

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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.