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Finding the Fourth Proportional to 1,546.99, 2,320.45 and 376.98

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Solution

The fourth proportional to 1,546.99, 2,320.45 and 376.98 is: 565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.99 : 2,320.45 = 376.98 : x
  2. Step 2: Convert to fraction form
    1,546.99/2,320.45 = 376.98/x
  3. Step 3: Cross multiply
    1,546.99x = 2,320.45 × 376.98
  4. Step 4: Simplify right side
    1,546.99x = 874,763.24
  5. Step 5: Solve for x
    x = 874,763.24/1,546.99
  6. Step 6: Final answer
    x = 565.46

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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.