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Finding the Fourth Proportional to 836,634, 1,154,562.33 and 454,660.80

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Solution

The fourth proportional to 836,634, 1,154,562.33 and 454,660.80 is: 627,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,634 : 1,154,562.33 = 454,660.80 : x
  2. Step 2: Convert to fraction form
    836,634/1,154,562.33 = 454,660.80/x
  3. Step 3: Cross multiply
    836,634x = 1,154,562.33 × 454,660.80
  4. Step 4: Simplify right side
    836,634x = 524,934,232,607.66
  5. Step 5: Solve for x
    x = 524,934,232,607.66/836,634
  6. Step 6: Final answer
    x = 627,435.93

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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.