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Finding the Fourth Proportional to 1,559.09, 2,339.04 and 463.46

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Solution

The fourth proportional to 1,559.09, 2,339.04 and 463.46 is: 695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.09 : 2,339.04 = 463.46 : x
  2. Step 2: Convert to fraction form
    1,559.09/2,339.04 = 463.46/x
  3. Step 3: Cross multiply
    1,559.09x = 2,339.04 × 463.46
  4. Step 4: Simplify right side
    1,559.09x = 1,084,040.57
  5. Step 5: Solve for x
    x = 1,084,040.57/1,559.09
  6. Step 6: Final answer
    x = 695.30

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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.