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Finding the Fourth Proportional to 1,597.45, 2,394.34 and 623.02

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Solution

The fourth proportional to 1,597.45, 2,394.34 and 623.02 is: 933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.45 : 2,394.34 = 623.02 : x
  2. Step 2: Convert to fraction form
    1,597.45/2,394.34 = 623.02/x
  3. Step 3: Cross multiply
    1,597.45x = 2,394.34 × 623.02
  4. Step 4: Simplify right side
    1,597.45x = 1,491,721.71
  5. Step 5: Solve for x
    x = 1,491,721.71/1,597.45
  6. Step 6: Final answer
    x = 933.81

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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.