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Finding the Fourth Proportional to 701.68, 1,052 and 336.12

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Solution

The fourth proportional to 701.68, 1,052 and 336.12 is: 503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.68 : 1,052 = 336.12 : x
  2. Step 2: Convert to fraction form
    701.68/1,052 = 336.12/x
  3. Step 3: Cross multiply
    701.68x = 1,052 × 336.12
  4. Step 4: Simplify right side
    701.68x = 353,598.24
  5. Step 5: Solve for x
    x = 353,598.24/701.68
  6. Step 6: Final answer
    x = 503.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.