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Finding the Fourth Proportional to 619,633.56, 929,547.78 and 264,649.56

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Solution

The fourth proportional to 619,633.56, 929,547.78 and 264,649.56 is: 397,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,633.56 : 929,547.78 = 264,649.56 : x
  2. Step 2: Convert to fraction form
    619,633.56/929,547.78 = 264,649.56/x
  3. Step 3: Cross multiply
    619,633.56x = 929,547.78 × 264,649.56
  4. Step 4: Simplify right side
    619,633.56x = 246,004,410,975.98
  5. Step 5: Solve for x
    x = 246,004,410,975.98/619,633.56
  6. Step 6: Final answer
    x = 397,015.96

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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.