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Finding the Fourth Proportional to 496,015.10, 744,327.24 and 394,210.94

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Solution

The fourth proportional to 496,015.10, 744,327.24 and 394,210.94 is: 591,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,015.10 : 744,327.24 = 394,210.94 : x
  2. Step 2: Convert to fraction form
    496,015.10/744,327.24 = 394,210.94/x
  3. Step 3: Cross multiply
    496,015.10x = 744,327.24 × 394,210.94
  4. Step 4: Simplify right side
    496,015.10x = 293,421,940,948.01
  5. Step 5: Solve for x
    x = 293,421,940,948.01/496,015.10
  6. Step 6: Final answer
    x = 591,558.48

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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.