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Finding the Fourth Proportional to 444, 612.88 and 296.58

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Solution

The fourth proportional to 444, 612.88 and 296.58 is: 409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444 : 612.88 = 296.58 : x
  2. Step 2: Convert to fraction form
    444/612.88 = 296.58/x
  3. Step 3: Cross multiply
    444x = 612.88 × 296.58
  4. Step 4: Simplify right side
    444x = 181,767.95
  5. Step 5: Solve for x
    x = 181,767.95/444
  6. Step 6: Final answer
    x = 409.39

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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.