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Finding the Fourth Proportional to 1,476.49, 2,214.63 and 502.60

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Solution

The fourth proportional to 1,476.49, 2,214.63 and 502.60 is: 753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.49 : 2,214.63 = 502.60 : x
  2. Step 2: Convert to fraction form
    1,476.49/2,214.63 = 502.60/x
  3. Step 3: Cross multiply
    1,476.49x = 2,214.63 × 502.60
  4. Step 4: Simplify right side
    1,476.49x = 1,113,073.04
  5. Step 5: Solve for x
    x = 1,113,073.04/1,476.49
  6. Step 6: Final answer
    x = 753.86

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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.