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Finding the Fourth Proportional to 1,693.18, 2,539.59 and 597.46

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Solution

The fourth proportional to 1,693.18, 2,539.59 and 597.46 is: 896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.18 : 2,539.59 = 597.46 : x
  2. Step 2: Convert to fraction form
    1,693.18/2,539.59 = 597.46/x
  3. Step 3: Cross multiply
    1,693.18x = 2,539.59 × 597.46
  4. Step 4: Simplify right side
    1,693.18x = 1,517,303.44
  5. Step 5: Solve for x
    x = 1,517,303.44/1,693.18
  6. Step 6: Final answer
    x = 896.13

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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.