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Finding the Fourth Proportional to 1,497.02, 2,245.44 and 471.02

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Solution

The fourth proportional to 1,497.02, 2,245.44 and 471.02 is: 706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.02 : 2,245.44 = 471.02 : x
  2. Step 2: Convert to fraction form
    1,497.02/2,245.44 = 471.02/x
  3. Step 3: Cross multiply
    1,497.02x = 2,245.44 × 471.02
  4. Step 4: Simplify right side
    1,497.02x = 1,057,647.15
  5. Step 5: Solve for x
    x = 1,057,647.15/1,497.02
  6. Step 6: Final answer
    x = 706.50

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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.