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Finding the Fourth Proportional to 490,748.40, 736,122.60 and 461,199.60

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Solution

The fourth proportional to 490,748.40, 736,122.60 and 461,199.60 is: 691,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,748.40 : 736,122.60 = 461,199.60 : x
  2. Step 2: Convert to fraction form
    490,748.40/736,122.60 = 461,199.60/x
  3. Step 3: Cross multiply
    490,748.40x = 736,122.60 × 461,199.60
  4. Step 4: Simplify right side
    490,748.40x = 339,499,448,670.96
  5. Step 5: Solve for x
    x = 339,499,448,670.96/490,748.40
  6. Step 6: Final answer
    x = 691,799.40

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Similar ratio
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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.