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Finding the Fourth Proportional to 944.06, 1,302.38 and 550.90

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Solution

The fourth proportional to 944.06, 1,302.38 and 550.90 is: 760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.06 : 1,302.38 = 550.90 : x
  2. Step 2: Convert to fraction form
    944.06/1,302.38 = 550.90/x
  3. Step 3: Cross multiply
    944.06x = 1,302.38 × 550.90
  4. Step 4: Simplify right side
    944.06x = 717,482.08
  5. Step 5: Solve for x
    x = 717,482.08/944.06
  6. Step 6: Final answer
    x = 760.00

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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.