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Finding the Fourth Proportional to 1,033.74, 1,551.30 and 384.54

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Solution

The fourth proportional to 1,033.74, 1,551.30 and 384.54 is: 577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.74 : 1,551.30 = 384.54 : x
  2. Step 2: Convert to fraction form
    1,033.74/1,551.30 = 384.54/x
  3. Step 3: Cross multiply
    1,033.74x = 1,551.30 × 384.54
  4. Step 4: Simplify right side
    1,033.74x = 596,536.90
  5. Step 5: Solve for x
    x = 596,536.90/1,033.74
  6. Step 6: Final answer
    x = 577.07

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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.