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Finding the Fourth Proportional to 1,075.83, 1,484.58 and 650.46

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Solution

The fourth proportional to 1,075.83, 1,484.58 and 650.46 is: 897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.83 : 1,484.58 = 650.46 : x
  2. Step 2: Convert to fraction form
    1,075.83/1,484.58 = 650.46/x
  3. Step 3: Cross multiply
    1,075.83x = 1,484.58 × 650.46
  4. Step 4: Simplify right side
    1,075.83x = 965,651.73
  5. Step 5: Solve for x
    x = 965,651.73/1,075.83
  6. Step 6: Final answer
    x = 897.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.