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Finding the Fourth Proportional to 963.16, 1,444.60 and 346.77

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Solution

The fourth proportional to 963.16, 1,444.60 and 346.77 is: 520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.16 : 1,444.60 = 346.77 : x
  2. Step 2: Convert to fraction form
    963.16/1,444.60 = 346.77/x
  3. Step 3: Cross multiply
    963.16x = 1,444.60 × 346.77
  4. Step 4: Simplify right side
    963.16x = 500,943.94
  5. Step 5: Solve for x
    x = 500,943.94/963.16
  6. Step 6: Final answer
    x = 520.10

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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.