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Finding the Fourth Proportional to 962.84, 1,444.44 and 313.64

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Solution

The fourth proportional to 962.84, 1,444.44 and 313.64 is: 470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.84 : 1,444.44 = 313.64 : x
  2. Step 2: Convert to fraction form
    962.84/1,444.44 = 313.64/x
  3. Step 3: Cross multiply
    962.84x = 1,444.44 × 313.64
  4. Step 4: Simplify right side
    962.84x = 453,034.16
  5. Step 5: Solve for x
    x = 453,034.16/962.84
  6. Step 6: Final answer
    x = 470.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.