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Finding the Fourth Proportional to 836,871.22, 1,154,886.38 and 454,898

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Solution

The fourth proportional to 836,871.22, 1,154,886.38 and 454,898 is: 627,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,871.22 : 1,154,886.38 = 454,898 : x
  2. Step 2: Convert to fraction form
    836,871.22/1,154,886.38 = 454,898/x
  3. Step 3: Cross multiply
    836,871.22x = 1,154,886.38 × 454,898
  4. Step 4: Simplify right side
    836,871.22x = 525,355,504,489.24
  5. Step 5: Solve for x
    x = 525,355,504,489.24/836,871.22
  6. Step 6: Final answer
    x = 627,761.47

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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.