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Finding the Fourth Proportional to 1,033.39, 1,549.94 and 456.13

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Solution

The fourth proportional to 1,033.39, 1,549.94 and 456.13 is: 684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.39 : 1,549.94 = 456.13 : x
  2. Step 2: Convert to fraction form
    1,033.39/1,549.94 = 456.13/x
  3. Step 3: Cross multiply
    1,033.39x = 1,549.94 × 456.13
  4. Step 4: Simplify right side
    1,033.39x = 706,967.52
  5. Step 5: Solve for x
    x = 706,967.52/1,033.39
  6. Step 6: Final answer
    x = 684.13

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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.