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Finding the Fourth Proportional to 433,643.83, 650,188.24 and 208,555.96

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Solution

The fourth proportional to 433,643.83, 650,188.24 and 208,555.96 is: 312,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,643.83 : 650,188.24 = 208,555.96 : x
  2. Step 2: Convert to fraction form
    433,643.83/650,188.24 = 208,555.96/x
  3. Step 3: Cross multiply
    433,643.83x = 650,188.24 × 208,555.96
  4. Step 4: Simplify right side
    433,643.83x = 135,600,632,573.91
  5. Step 5: Solve for x
    x = 135,600,632,573.91/433,643.83
  6. Step 6: Final answer
    x = 312,700.48

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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.