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Finding the Fourth Proportional to 1,246.69, 1,870.17 and 597.61

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Solution

The fourth proportional to 1,246.69, 1,870.17 and 597.61 is: 896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.69 : 1,870.17 = 597.61 : x
  2. Step 2: Convert to fraction form
    1,246.69/1,870.17 = 597.61/x
  3. Step 3: Cross multiply
    1,246.69x = 1,870.17 × 597.61
  4. Step 4: Simplify right side
    1,246.69x = 1,117,632.29
  5. Step 5: Solve for x
    x = 1,117,632.29/1,246.69
  6. Step 6: Final answer
    x = 896.48

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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.