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Finding the Fourth Proportional to 1,476.74, 2,214.87 and 450.50

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Solution

The fourth proportional to 1,476.74, 2,214.87 and 450.50 is: 675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.74 : 2,214.87 = 450.50 : x
  2. Step 2: Convert to fraction form
    1,476.74/2,214.87 = 450.50/x
  3. Step 3: Cross multiply
    1,476.74x = 2,214.87 × 450.50
  4. Step 4: Simplify right side
    1,476.74x = 997,798.94
  5. Step 5: Solve for x
    x = 997,798.94/1,476.74
  6. Step 6: Final answer
    x = 675.68

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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.