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Finding the Fourth Proportional to 1,598.76, 2,397.40 and 624.84

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Solution

The fourth proportional to 1,598.76, 2,397.40 and 624.84 is: 936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.76 : 2,397.40 = 624.84 : x
  2. Step 2: Convert to fraction form
    1,598.76/2,397.40 = 624.84/x
  3. Step 3: Cross multiply
    1,598.76x = 2,397.40 × 624.84
  4. Step 4: Simplify right side
    1,598.76x = 1,497,991.42
  5. Step 5: Solve for x
    x = 1,497,991.42/1,598.76
  6. Step 6: Final answer
    x = 936.97

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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.