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Finding the Fourth Proportional to 676.48, 933.93 and 444.01

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Solution

The fourth proportional to 676.48, 933.93 and 444.01 is: 612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.48 : 933.93 = 444.01 : x
  2. Step 2: Convert to fraction form
    676.48/933.93 = 444.01/x
  3. Step 3: Cross multiply
    676.48x = 933.93 × 444.01
  4. Step 4: Simplify right side
    676.48x = 414,669.59
  5. Step 5: Solve for x
    x = 414,669.59/676.48
  6. Step 6: Final answer
    x = 612.99

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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.