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Finding the Fourth Proportional to 500,856.39, 751,372.06 and 220,366.35

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Solution

The fourth proportional to 500,856.39, 751,372.06 and 220,366.35 is: 330,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,856.39 : 751,372.06 = 220,366.35 : x
  2. Step 2: Convert to fraction form
    500,856.39/751,372.06 = 220,366.35/x
  3. Step 3: Cross multiply
    500,856.39x = 751,372.06 × 220,366.35
  4. Step 4: Simplify right side
    500,856.39x = 165,577,114,597.32
  5. Step 5: Solve for x
    x = 165,577,114,597.32/500,856.39
  6. Step 6: Final answer
    x = 330,588.01

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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.