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Finding the Fourth Proportional to 703.52, 1,054.54 and 292.09

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Solution

The fourth proportional to 703.52, 1,054.54 and 292.09 is: 437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.52 : 1,054.54 = 292.09 : x
  2. Step 2: Convert to fraction form
    703.52/1,054.54 = 292.09/x
  3. Step 3: Cross multiply
    703.52x = 1,054.54 × 292.09
  4. Step 4: Simplify right side
    703.52x = 308,020.59
  5. Step 5: Solve for x
    x = 308,020.59/703.52
  6. Step 6: Final answer
    x = 437.83

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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.