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Finding the Fourth Proportional to 1,160.95, 1,740.70 and 544.39

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Solution

The fourth proportional to 1,160.95, 1,740.70 and 544.39 is: 816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.95 : 1,740.70 = 544.39 : x
  2. Step 2: Convert to fraction form
    1,160.95/1,740.70 = 544.39/x
  3. Step 3: Cross multiply
    1,160.95x = 1,740.70 × 544.39
  4. Step 4: Simplify right side
    1,160.95x = 947,609.61
  5. Step 5: Solve for x
    x = 947,609.61/1,160.95
  6. Step 6: Final answer
    x = 816.24

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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.