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Finding the Fourth Proportional to 573,465.60, 859,906.80 and 336,880.80

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Solution

The fourth proportional to 573,465.60, 859,906.80 and 336,880.80 is: 505,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,465.60 : 859,906.80 = 336,880.80 : x
  2. Step 2: Convert to fraction form
    573,465.60/859,906.80 = 336,880.80/x
  3. Step 3: Cross multiply
    573,465.60x = 859,906.80 × 336,880.80
  4. Step 4: Simplify right side
    573,465.60x = 289,686,090,709.44
  5. Step 5: Solve for x
    x = 289,686,090,709.44/573,465.60
  6. Step 6: Final answer
    x = 505,149.90

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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.