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Finding the Fourth Proportional to 3,670,489.60, 5,505,734.40 and 975,230.80

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Solution

The fourth proportional to 3,670,489.60, 5,505,734.40 and 975,230.80 is: 1,462,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,489.60 : 5,505,734.40 = 975,230.80 : x
  2. Step 2: Convert to fraction form
    3,670,489.60/5,505,734.40 = 975,230.80/x
  3. Step 3: Cross multiply
    3,670,489.60x = 5,505,734.40 × 975,230.80
  4. Step 4: Simplify right side
    3,670,489.60x = 5,369,361,763,499.52
  5. Step 5: Solve for x
    x = 5,369,361,763,499.52/3,670,489.60
  6. Step 6: Final answer
    x = 1,462,846.20

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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.