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Finding the Fourth Proportional to 633,146.76, 873,812.54 and 361,281.60

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Solution

The fourth proportional to 633,146.76, 873,812.54 and 361,281.60 is: 498,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,146.76 : 873,812.54 = 361,281.60 : x
  2. Step 2: Convert to fraction form
    633,146.76/873,812.54 = 361,281.60/x
  3. Step 3: Cross multiply
    633,146.76x = 873,812.54 × 361,281.60
  4. Step 4: Simplify right side
    633,146.76x = 315,692,392,551.26
  5. Step 5: Solve for x
    x = 315,692,392,551.26/633,146.76
  6. Step 6: Final answer
    x = 498,608.56

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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.