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Finding the Fourth Proportional to 1,246.96, 1,870.45 and 597.54

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Solution

The fourth proportional to 1,246.96, 1,870.45 and 597.54 is: 896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.96 : 1,870.45 = 597.54 : x
  2. Step 2: Convert to fraction form
    1,246.96/1,870.45 = 597.54/x
  3. Step 3: Cross multiply
    1,246.96x = 1,870.45 × 597.54
  4. Step 4: Simplify right side
    1,246.96x = 1,117,665.37
  5. Step 5: Solve for x
    x = 1,117,665.37/1,246.96
  6. Step 6: Final answer
    x = 896.32

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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.