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Finding the Fourth Proportional to 632,863.73, 873,318.31 and 346,328.46

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Solution

The fourth proportional to 632,863.73, 873,318.31 and 346,328.46 is: 477,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,863.73 : 873,318.31 = 346,328.46 : x
  2. Step 2: Convert to fraction form
    632,863.73/873,318.31 = 346,328.46/x
  3. Step 3: Cross multiply
    632,863.73x = 873,318.31 × 346,328.46
  4. Step 4: Simplify right side
    632,863.73x = 302,454,984,526.28
  5. Step 5: Solve for x
    x = 302,454,984,526.28/632,863.73
  6. Step 6: Final answer
    x = 477,914.86

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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.