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Finding the Fourth Proportional to 1,104.91, 1,657.76 and 584.93

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Solution

The fourth proportional to 1,104.91, 1,657.76 and 584.93 is: 877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.91 : 1,657.76 = 584.93 : x
  2. Step 2: Convert to fraction form
    1,104.91/1,657.76 = 584.93/x
  3. Step 3: Cross multiply
    1,104.91x = 1,657.76 × 584.93
  4. Step 4: Simplify right side
    1,104.91x = 969,673.56
  5. Step 5: Solve for x
    x = 969,673.56/1,104.91
  6. Step 6: Final answer
    x = 877.60

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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.