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Finding the Fourth Proportional to 842,754.28, 1,163,001 and 460,781.32

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Solution

The fourth proportional to 842,754.28, 1,163,001 and 460,781.32 is: 635,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,754.28 : 1,163,001 = 460,781.32 : x
  2. Step 2: Convert to fraction form
    842,754.28/1,163,001 = 460,781.32/x
  3. Step 3: Cross multiply
    842,754.28x = 1,163,001 × 460,781.32
  4. Step 4: Simplify right side
    842,754.28x = 535,889,135,941.32
  5. Step 5: Solve for x
    x = 535,889,135,941.32/842,754.28
  6. Step 6: Final answer
    x = 635,878.27

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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.