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Finding the Fourth Proportional to 632,450.59, 872,781.52 and 345,970.60

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Solution

The fourth proportional to 632,450.59, 872,781.52 and 345,970.60 is: 477,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,450.59 : 872,781.52 = 345,970.60 : x
  2. Step 2: Convert to fraction form
    632,450.59/872,781.52 = 345,970.60/x
  3. Step 3: Cross multiply
    632,450.59x = 872,781.52 × 345,970.60
  4. Step 4: Simplify right side
    632,450.59x = 301,956,743,096.43
  5. Step 5: Solve for x
    x = 301,956,743,096.43/632,450.59
  6. Step 6: Final answer
    x = 477,439.26

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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.