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Finding the Fourth Proportional to 568.84, 785.02 and 444.64

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Solution

The fourth proportional to 568.84, 785.02 and 444.64 is: 613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.84 : 785.02 = 444.64 : x
  2. Step 2: Convert to fraction form
    568.84/785.02 = 444.64/x
  3. Step 3: Cross multiply
    568.84x = 785.02 × 444.64
  4. Step 4: Simplify right side
    568.84x = 349,051.29
  5. Step 5: Solve for x
    x = 349,051.29/568.84
  6. Step 6: Final answer
    x = 613.62

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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.