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Finding the Fourth Proportional to 1,508.95, 2,264.25 and 632.06

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Solution

The fourth proportional to 1,508.95, 2,264.25 and 632.06 is: 948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.95 : 2,264.25 = 632.06 : x
  2. Step 2: Convert to fraction form
    1,508.95/2,264.25 = 632.06/x
  3. Step 3: Cross multiply
    1,508.95x = 2,264.25 × 632.06
  4. Step 4: Simplify right side
    1,508.95x = 1,431,141.39
  5. Step 5: Solve for x
    x = 1,431,141.39/1,508.95
  6. Step 6: Final answer
    x = 948.43

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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.