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Finding the Fourth Proportional to 1,606.58, 2,409.94 and 955.88

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Solution

The fourth proportional to 1,606.58, 2,409.94 and 955.88 is: 1,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.58 : 2,409.94 = 955.88 : x
  2. Step 2: Convert to fraction form
    1,606.58/2,409.94 = 955.88/x
  3. Step 3: Cross multiply
    1,606.58x = 2,409.94 × 955.88
  4. Step 4: Simplify right side
    1,606.58x = 2,303,613.45
  5. Step 5: Solve for x
    x = 2,303,613.45/1,606.58
  6. Step 6: Final answer
    x = 1,433.86

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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.