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Finding the Fourth Proportional to 1,416.49, 2,124.83 and 376.48

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Solution

The fourth proportional to 1,416.49, 2,124.83 and 376.48 is: 564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.49 : 2,124.83 = 376.48 : x
  2. Step 2: Convert to fraction form
    1,416.49/2,124.83 = 376.48/x
  3. Step 3: Cross multiply
    1,416.49x = 2,124.83 × 376.48
  4. Step 4: Simplify right side
    1,416.49x = 799,943.49
  5. Step 5: Solve for x
    x = 799,943.49/1,416.49
  6. Step 6: Final answer
    x = 564.74

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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.