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Finding the Fourth Proportional to 1,033.36, 1,426.02 and 591.19

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Solution

The fourth proportional to 1,033.36, 1,426.02 and 591.19 is: 815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.36 : 1,426.02 = 591.19 : x
  2. Step 2: Convert to fraction form
    1,033.36/1,426.02 = 591.19/x
  3. Step 3: Cross multiply
    1,033.36x = 1,426.02 × 591.19
  4. Step 4: Simplify right side
    1,033.36x = 843,048.76
  5. Step 5: Solve for x
    x = 843,048.76/1,033.36
  6. Step 6: Final answer
    x = 815.83

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.