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Finding the Fourth Proportional to 433,784.07, 649,544.33 and 349,081.56

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Solution

The fourth proportional to 433,784.07, 649,544.33 and 349,081.56 is: 522,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,784.07 : 649,544.33 = 349,081.56 : x
  2. Step 2: Convert to fraction form
    433,784.07/649,544.33 = 349,081.56/x
  3. Step 3: Cross multiply
    433,784.07x = 649,544.33 × 349,081.56
  4. Step 4: Simplify right side
    433,784.07x = 226,743,946,260.15
  5. Step 5: Solve for x
    x = 226,743,946,260.15/433,784.07
  6. Step 6: Final answer
    x = 522,711.56

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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.