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Finding the Fourth Proportional to 498,738.60, 747,597.60 and 245,629.80

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Solution

The fourth proportional to 498,738.60, 747,597.60 and 245,629.80 is: 368,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,738.60 : 747,597.60 = 245,629.80 : x
  2. Step 2: Convert to fraction form
    498,738.60/747,597.60 = 245,629.80/x
  3. Step 3: Cross multiply
    498,738.60x = 747,597.60 × 245,629.80
  4. Step 4: Simplify right side
    498,738.60x = 183,632,248,968.48
  5. Step 5: Solve for x
    x = 183,632,248,968.48/498,738.60
  6. Step 6: Final answer
    x = 368,193.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.