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Finding the Fourth Proportional to 490,899.60, 736,090.20 and 175,366.80

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Solution

The fourth proportional to 490,899.60, 736,090.20 and 175,366.80 is: 262,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,899.60 : 736,090.20 = 175,366.80 : x
  2. Step 2: Convert to fraction form
    490,899.60/736,090.20 = 175,366.80/x
  3. Step 3: Cross multiply
    490,899.60x = 736,090.20 × 175,366.80
  4. Step 4: Simplify right side
    490,899.60x = 129,085,782,885.36
  5. Step 5: Solve for x
    x = 129,085,782,885.36/490,899.60
  6. Step 6: Final answer
    x = 262,957.60

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1.5x scale

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.