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Finding the Fourth Proportional to 1,559.91, 2,339.58 and 464.00

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Solution

The fourth proportional to 1,559.91, 2,339.58 and 464.00 is: 695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.91 : 2,339.58 = 464.00 : x
  2. Step 2: Convert to fraction form
    1,559.91/2,339.58 = 464.00/x
  3. Step 3: Cross multiply
    1,559.91x = 2,339.58 × 464.00
  4. Step 4: Simplify right side
    1,559.91x = 1,085,574.90
  5. Step 5: Solve for x
    x = 1,085,574.90/1,559.91
  6. Step 6: Final answer
    x = 695.92

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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.