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Finding the Fourth Proportional to 863,151, 1,191,263.82 and 495,772.68

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Solution

The fourth proportional to 863,151, 1,191,263.82 and 495,772.68 is: 684,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,151 : 1,191,263.82 = 495,772.68 : x
  2. Step 2: Convert to fraction form
    863,151/1,191,263.82 = 495,772.68/x
  3. Step 3: Cross multiply
    863,151x = 1,191,263.82 × 495,772.68
  4. Step 4: Simplify right side
    863,151x = 590,596,056,628.44
  5. Step 5: Solve for x
    x = 590,596,056,628.44/863,151
  6. Step 6: Final answer
    x = 684,232.60

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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.