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Finding the Fourth Proportional to 490,847.60, 736,271.40 and 341,548.40

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Solution

The fourth proportional to 490,847.60, 736,271.40 and 341,548.40 is: 512,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,847.60 : 736,271.40 = 341,548.40 : x
  2. Step 2: Convert to fraction form
    490,847.60/736,271.40 = 341,548.40/x
  3. Step 3: Cross multiply
    490,847.60x = 736,271.40 × 341,548.40
  4. Step 4: Simplify right side
    490,847.60x = 251,472,318,635.76
  5. Step 5: Solve for x
    x = 251,472,318,635.76/490,847.60
  6. Step 6: Final answer
    x = 512,322.60

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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.