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Finding the Fourth Proportional to 908.01, 1,362.15 and 584.01

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Solution

The fourth proportional to 908.01, 1,362.15 and 584.01 is: 876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.01 : 1,362.15 = 584.01 : x
  2. Step 2: Convert to fraction form
    908.01/1,362.15 = 584.01/x
  3. Step 3: Cross multiply
    908.01x = 1,362.15 × 584.01
  4. Step 4: Simplify right side
    908.01x = 795,509.22
  5. Step 5: Solve for x
    x = 795,509.22/908.01
  6. Step 6: Final answer
    x = 876.10

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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.