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Finding the Fourth Proportional to 491,276.40, 736,914.60 and 241,906.80

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Solution

The fourth proportional to 491,276.40, 736,914.60 and 241,906.80 is: 362,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,276.40 : 736,914.60 = 241,906.80 : x
  2. Step 2: Convert to fraction form
    491,276.40/736,914.60 = 241,906.80/x
  3. Step 3: Cross multiply
    491,276.40x = 736,914.60 × 241,906.80
  4. Step 4: Simplify right side
    491,276.40x = 178,264,652,759.28
  5. Step 5: Solve for x
    x = 178,264,652,759.28/491,276.40
  6. Step 6: Final answer
    x = 362,860.20

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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.