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Finding the Fourth Proportional to 559,327.64, 771,847.22 and 326,776.16

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Solution

The fourth proportional to 559,327.64, 771,847.22 and 326,776.16 is: 450,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,327.64 : 771,847.22 = 326,776.16 : x
  2. Step 2: Convert to fraction form
    559,327.64/771,847.22 = 326,776.16/x
  3. Step 3: Cross multiply
    559,327.64x = 771,847.22 × 326,776.16
  4. Step 4: Simplify right side
    559,327.64x = 252,221,267,615.98
  5. Step 5: Solve for x
    x = 252,221,267,615.98/559,327.64
  6. Step 6: Final answer
    x = 450,936.54

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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.