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Finding the Fourth Proportional to 505,731.20, 758,596.80 and 482,403.20

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Solution

The fourth proportional to 505,731.20, 758,596.80 and 482,403.20 is: 723,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,731.20 : 758,596.80 = 482,403.20 : x
  2. Step 2: Convert to fraction form
    505,731.20/758,596.80 = 482,403.20/x
  3. Step 3: Cross multiply
    505,731.20x = 758,596.80 × 482,403.20
  4. Step 4: Simplify right side
    505,731.20x = 365,949,523,829.76
  5. Step 5: Solve for x
    x = 365,949,523,829.76/505,731.20
  6. Step 6: Final answer
    x = 723,604.80

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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.