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Finding the Fourth Proportional to 700.64, 1,053.27 and 496.67

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Solution

The fourth proportional to 700.64, 1,053.27 and 496.67 is: 746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.64 : 1,053.27 = 496.67 : x
  2. Step 2: Convert to fraction form
    700.64/1,053.27 = 496.67/x
  3. Step 3: Cross multiply
    700.64x = 1,053.27 × 496.67
  4. Step 4: Simplify right side
    700.64x = 523,122.34
  5. Step 5: Solve for x
    x = 523,122.34/700.64
  6. Step 6: Final answer
    x = 746.64

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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.