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Finding the Fourth Proportional to 1,554.44, 2,332.66 and 580.46

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Solution

The fourth proportional to 1,554.44, 2,332.66 and 580.46 is: 871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.44 : 2,332.66 = 580.46 : x
  2. Step 2: Convert to fraction form
    1,554.44/2,332.66 = 580.46/x
  3. Step 3: Cross multiply
    1,554.44x = 2,332.66 × 580.46
  4. Step 4: Simplify right side
    1,554.44x = 1,354,015.82
  5. Step 5: Solve for x
    x = 1,354,015.82/1,554.44
  6. Step 6: Final answer
    x = 871.06

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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.