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Finding the Fourth Proportional to 1,246.83, 1,870.47 and 597.57

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Solution

The fourth proportional to 1,246.83, 1,870.47 and 597.57 is: 896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.83 : 1,870.47 = 597.57 : x
  2. Step 2: Convert to fraction form
    1,246.83/1,870.47 = 597.57/x
  3. Step 3: Cross multiply
    1,246.83x = 1,870.47 × 597.57
  4. Step 4: Simplify right side
    1,246.83x = 1,117,736.76
  5. Step 5: Solve for x
    x = 1,117,736.76/1,246.83
  6. Step 6: Final answer
    x = 896.46

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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.