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Finding the Fourth Proportional to 833,358.72, 1,150,035.36 and 451,384.32

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Solution

The fourth proportional to 833,358.72, 1,150,035.36 and 451,384.32 is: 622,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,358.72 : 1,150,035.36 = 451,384.32 : x
  2. Step 2: Convert to fraction form
    833,358.72/1,150,035.36 = 451,384.32/x
  3. Step 3: Cross multiply
    833,358.72x = 1,150,035.36 × 451,384.32
  4. Step 4: Simplify right side
    833,358.72x = 519,107,928,949.56
  5. Step 5: Solve for x
    x = 519,107,928,949.56/833,358.72
  6. Step 6: Final answer
    x = 622,910.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.