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Finding the Fourth Proportional to 1,034.77, 1,551.95 and 304.18

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Solution

The fourth proportional to 1,034.77, 1,551.95 and 304.18 is: 456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.77 : 1,551.95 = 304.18 : x
  2. Step 2: Convert to fraction form
    1,034.77/1,551.95 = 304.18/x
  3. Step 3: Cross multiply
    1,034.77x = 1,551.95 × 304.18
  4. Step 4: Simplify right side
    1,034.77x = 472,064.39
  5. Step 5: Solve for x
    x = 472,064.39/1,034.77
  6. Step 6: Final answer
    x = 456.20

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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.