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Finding the Fourth Proportional to 1,303.32, 1,798.38 and 736.22

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Solution

The fourth proportional to 1,303.32, 1,798.38 and 736.22 is: 1,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.32 : 1,798.38 = 736.22 : x
  2. Step 2: Convert to fraction form
    1,303.32/1,798.38 = 736.22/x
  3. Step 3: Cross multiply
    1,303.32x = 1,798.38 × 736.22
  4. Step 4: Simplify right side
    1,303.32x = 1,323,994.33
  5. Step 5: Solve for x
    x = 1,323,994.33/1,303.32
  6. Step 6: Final answer
    x = 1,015.87

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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.