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Finding the Fourth Proportional to 568,899.64, 785,030.70 and 327,117.88

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Solution

The fourth proportional to 568,899.64, 785,030.70 and 327,117.88 is: 451,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,899.64 : 785,030.70 = 327,117.88 : x
  2. Step 2: Convert to fraction form
    568,899.64/785,030.70 = 327,117.88/x
  3. Step 3: Cross multiply
    568,899.64x = 785,030.70 × 327,117.88
  4. Step 4: Simplify right side
    568,899.64x = 256,797,578,318.92
  5. Step 5: Solve for x
    x = 256,797,578,318.92/568,899.64
  6. Step 6: Final answer
    x = 451,393.46

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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.