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Finding the Fourth Proportional to 384,350.20, 577,907.70 and 323,524.60

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Solution

The fourth proportional to 384,350.20, 577,907.70 and 323,524.60 is: 486,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,350.20 : 577,907.70 = 323,524.60 : x
  2. Step 2: Convert to fraction form
    384,350.20/577,907.70 = 323,524.60/x
  3. Step 3: Cross multiply
    384,350.20x = 577,907.70 × 323,524.60
  4. Step 4: Simplify right side
    384,350.20x = 186,967,357,479.42
  5. Step 5: Solve for x
    x = 186,967,357,479.42/384,350.20
  6. Step 6: Final answer
    x = 486,450.53

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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.