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Finding the Fourth Proportional to 491,844.60, 737,766.90 and 484,846.20

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Solution

The fourth proportional to 491,844.60, 737,766.90 and 484,846.20 is: 727,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,844.60 : 737,766.90 = 484,846.20 : x
  2. Step 2: Convert to fraction form
    491,844.60/737,766.90 = 484,846.20/x
  3. Step 3: Cross multiply
    491,844.60x = 737,766.90 × 484,846.20
  4. Step 4: Simplify right side
    491,844.60x = 357,703,477,950.78
  5. Step 5: Solve for x
    x = 357,703,477,950.78/491,844.60
  6. Step 6: Final answer
    x = 727,269.30

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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.