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Finding the Fourth Proportional to 1,159.52, 1,739.23 and 465.98

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Solution

The fourth proportional to 1,159.52, 1,739.23 and 465.98 is: 698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.52 : 1,739.23 = 465.98 : x
  2. Step 2: Convert to fraction form
    1,159.52/1,739.23 = 465.98/x
  3. Step 3: Cross multiply
    1,159.52x = 1,739.23 × 465.98
  4. Step 4: Simplify right side
    1,159.52x = 810,436.53
  5. Step 5: Solve for x
    x = 810,436.53/1,159.52
  6. Step 6: Final answer
    x = 698.94

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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.