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Finding the Fourth Proportional to 1,133.36, 1,697.16 and 584

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Solution

The fourth proportional to 1,133.36, 1,697.16 and 584 is: 874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.36 : 1,697.16 = 584 : x
  2. Step 2: Convert to fraction form
    1,133.36/1,697.16 = 584/x
  3. Step 3: Cross multiply
    1,133.36x = 1,697.16 × 584
  4. Step 4: Simplify right side
    1,133.36x = 991,141.44
  5. Step 5: Solve for x
    x = 991,141.44/1,133.36
  6. Step 6: Final answer
    x = 874.52

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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.