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Finding the Fourth Proportional to 1,033.37, 1,426.43 and 684.17

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Solution

The fourth proportional to 1,033.37, 1,426.43 and 684.17 is: 944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.37 : 1,426.43 = 684.17 : x
  2. Step 2: Convert to fraction form
    1,033.37/1,426.43 = 684.17/x
  3. Step 3: Cross multiply
    1,033.37x = 1,426.43 × 684.17
  4. Step 4: Simplify right side
    1,033.37x = 975,917.19
  5. Step 5: Solve for x
    x = 975,917.19/1,033.37
  6. Step 6: Final answer
    x = 944.40

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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.