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Finding the Fourth Proportional to 568,900.64, 785,032.08 and 327,118.88

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Solution

The fourth proportional to 568,900.64, 785,032.08 and 327,118.88 is: 451,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,900.64 : 785,032.08 = 327,118.88 : x
  2. Step 2: Convert to fraction form
    568,900.64/785,032.08 = 327,118.88/x
  3. Step 3: Cross multiply
    568,900.64x = 785,032.08 × 327,118.88
  4. Step 4: Simplify right side
    568,900.64x = 256,798,814,773.67
  5. Step 5: Solve for x
    x = 256,798,814,773.67/568,900.64
  6. Step 6: Final answer
    x = 451,394.84

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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.