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Finding the Fourth Proportional to 1,597.58, 2,396.96 and 557.66

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Solution

The fourth proportional to 1,597.58, 2,396.96 and 557.66 is: 836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.58 : 2,396.96 = 557.66 : x
  2. Step 2: Convert to fraction form
    1,597.58/2,396.96 = 557.66/x
  3. Step 3: Cross multiply
    1,597.58x = 2,396.96 × 557.66
  4. Step 4: Simplify right side
    1,597.58x = 1,336,688.71
  5. Step 5: Solve for x
    x = 1,336,688.71/1,597.58
  6. Step 6: Final answer
    x = 836.70

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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.