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Finding the Fourth Proportional to 1,034.13, 1,551.06 and 264.63

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Solution

The fourth proportional to 1,034.13, 1,551.06 and 264.63 is: 396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.13 : 1,551.06 = 264.63 : x
  2. Step 2: Convert to fraction form
    1,034.13/1,551.06 = 264.63/x
  3. Step 3: Cross multiply
    1,034.13x = 1,551.06 × 264.63
  4. Step 4: Simplify right side
    1,034.13x = 410,457.01
  5. Step 5: Solve for x
    x = 410,457.01/1,034.13
  6. Step 6: Final answer
    x = 396.91

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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.