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Finding the Fourth Proportional to 1,062.94, 1,466.80 and 614.51

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Solution

The fourth proportional to 1,062.94, 1,466.80 and 614.51 is: 847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.94 : 1,466.80 = 614.51 : x
  2. Step 2: Convert to fraction form
    1,062.94/1,466.80 = 614.51/x
  3. Step 3: Cross multiply
    1,062.94x = 1,466.80 × 614.51
  4. Step 4: Simplify right side
    1,062.94x = 901,363.27
  5. Step 5: Solve for x
    x = 901,363.27/1,062.94
  6. Step 6: Final answer
    x = 847.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.