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Finding the Fourth Proportional to 706.12, 974.53 and 444.10

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Solution

The fourth proportional to 706.12, 974.53 and 444.10 is: 612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.12 : 974.53 = 444.10 : x
  2. Step 2: Convert to fraction form
    706.12/974.53 = 444.10/x
  3. Step 3: Cross multiply
    706.12x = 974.53 × 444.10
  4. Step 4: Simplify right side
    706.12x = 432,788.77
  5. Step 5: Solve for x
    x = 432,788.77/706.12
  6. Step 6: Final answer
    x = 612.91

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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.