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Finding the Fourth Proportional to 1,232.92, 1,841.01 and 999.19

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Solution

The fourth proportional to 1,232.92, 1,841.01 and 999.19 is: 1,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.92 : 1,841.01 = 999.19 : x
  2. Step 2: Convert to fraction form
    1,232.92/1,841.01 = 999.19/x
  3. Step 3: Cross multiply
    1,232.92x = 1,841.01 × 999.19
  4. Step 4: Simplify right side
    1,232.92x = 1,839,510.49
  5. Step 5: Solve for x
    x = 1,839,510.49/1,232.92
  6. Step 6: Final answer
    x = 1,491.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.