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Finding the Fourth Proportional to 491,130.40, 736,263.60 and 332,845.60

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Solution

The fourth proportional to 491,130.40, 736,263.60 and 332,845.60 is: 498,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,130.40 : 736,263.60 = 332,845.60 : x
  2. Step 2: Convert to fraction form
    491,130.40/736,263.60 = 332,845.60/x
  3. Step 3: Cross multiply
    491,130.40x = 736,263.60 × 332,845.60
  4. Step 4: Simplify right side
    491,130.40x = 245,062,099,700.16
  5. Step 5: Solve for x
    x = 245,062,099,700.16/491,130.40
  6. Step 6: Final answer
    x = 498,975.63

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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.