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Finding the Fourth Proportional to 632,214.73, 872,456.28 and 345,735.01

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Solution

The fourth proportional to 632,214.73, 872,456.28 and 345,735.01 is: 477,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,214.73 : 872,456.28 = 345,735.01 : x
  2. Step 2: Convert to fraction form
    632,214.73/872,456.28 = 345,735.01/x
  3. Step 3: Cross multiply
    632,214.73x = 872,456.28 × 345,735.01
  4. Step 4: Simplify right side
    632,214.73x = 301,638,680,690.36
  5. Step 5: Solve for x
    x = 301,638,680,690.36/632,214.73
  6. Step 6: Final answer
    x = 477,114.29

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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.