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Finding the Fourth Proportional to 664,650.12, 917,212.50 and 362,844.12

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Solution

The fourth proportional to 664,650.12, 917,212.50 and 362,844.12 is: 500,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,650.12 : 917,212.50 = 362,844.12 : x
  2. Step 2: Convert to fraction form
    664,650.12/917,212.50 = 362,844.12/x
  3. Step 3: Cross multiply
    664,650.12x = 917,212.50 × 362,844.12
  4. Step 4: Simplify right side
    664,650.12x = 332,805,162,415.50
  5. Step 5: Solve for x
    x = 332,805,162,415.50/664,650.12
  6. Step 6: Final answer
    x = 500,722.34

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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.