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Finding the Fourth Proportional to 883.59, 1,323.56 and 730.50

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Solution

The fourth proportional to 883.59, 1,323.56 and 730.50 is: 1,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.59 : 1,323.56 = 730.50 : x
  2. Step 2: Convert to fraction form
    883.59/1,323.56 = 730.50/x
  3. Step 3: Cross multiply
    883.59x = 1,323.56 × 730.50
  4. Step 4: Simplify right side
    883.59x = 966,856.93
  5. Step 5: Solve for x
    x = 966,856.93/883.59
  6. Step 6: Final answer
    x = 1,094.24

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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.