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Finding the Fourth Proportional to 433,349.44, 649,491.77 and 243,410.54

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Solution

The fourth proportional to 433,349.44, 649,491.77 and 243,410.54 is: 364,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,349.44 : 649,491.77 = 243,410.54 : x
  2. Step 2: Convert to fraction form
    433,349.44/649,491.77 = 243,410.54/x
  3. Step 3: Cross multiply
    433,349.44x = 649,491.77 × 243,410.54
  4. Step 4: Simplify right side
    433,349.44x = 158,093,144,693.51
  5. Step 5: Solve for x
    x = 158,093,144,693.51/433,349.44
  6. Step 6: Final answer
    x = 364,816.78

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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.