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Finding the Fourth Proportional to 497,696.40, 746,544.60 and 298,630.80

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Solution

The fourth proportional to 497,696.40, 746,544.60 and 298,630.80 is: 447,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,696.40 : 746,544.60 = 298,630.80 : x
  2. Step 2: Convert to fraction form
    497,696.40/746,544.60 = 298,630.80/x
  3. Step 3: Cross multiply
    497,696.40x = 746,544.60 × 298,630.80
  4. Step 4: Simplify right side
    497,696.40x = 222,941,211,133.68
  5. Step 5: Solve for x
    x = 222,941,211,133.68/497,696.40
  6. Step 6: Final answer
    x = 447,946.20

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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.