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Finding the Fourth Proportional to 490,847.60, 736,271.40 and 175,314.80

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Solution

The fourth proportional to 490,847.60, 736,271.40 and 175,314.80 is: 262,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,847.60 : 736,271.40 = 175,314.80 : x
  2. Step 2: Convert to fraction form
    490,847.60/736,271.40 = 175,314.80/x
  3. Step 3: Cross multiply
    490,847.60x = 736,271.40 × 175,314.80
  4. Step 4: Simplify right side
    490,847.60x = 129,079,273,236.72
  5. Step 5: Solve for x
    x = 129,079,273,236.72/490,847.60
  6. Step 6: Final answer
    x = 262,972.20

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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.