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Finding the Fourth Proportional to 736.61, 1,016.18 and 441.37

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Solution

The fourth proportional to 736.61, 1,016.18 and 441.37 is: 608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.61 : 1,016.18 = 441.37 : x
  2. Step 2: Convert to fraction form
    736.61/1,016.18 = 441.37/x
  3. Step 3: Cross multiply
    736.61x = 1,016.18 × 441.37
  4. Step 4: Simplify right side
    736.61x = 448,510.76
  5. Step 5: Solve for x
    x = 448,510.76/736.61
  6. Step 6: Final answer
    x = 608.88

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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.