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Finding the Fourth Proportional to 613,284.11, 919,861.44 and 164,050.31

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Solution

The fourth proportional to 613,284.11, 919,861.44 and 164,050.31 is: 246,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,284.11 : 919,861.44 = 164,050.31 : x
  2. Step 2: Convert to fraction form
    613,284.11/919,861.44 = 164,050.31/x
  3. Step 3: Cross multiply
    613,284.11x = 919,861.44 × 164,050.31
  4. Step 4: Simplify right side
    613,284.11x = 150,903,549,789.74
  5. Step 5: Solve for x
    x = 150,903,549,789.74/613,284.11
  6. Step 6: Final answer
    x = 246,058.15

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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.