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Finding the Fourth Proportional to 1,473.37, 2,210.09 and 651.61

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Solution

The fourth proportional to 1,473.37, 2,210.09 and 651.61 is: 977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.37 : 2,210.09 = 651.61 : x
  2. Step 2: Convert to fraction form
    1,473.37/2,210.09 = 651.61/x
  3. Step 3: Cross multiply
    1,473.37x = 2,210.09 × 651.61
  4. Step 4: Simplify right side
    1,473.37x = 1,440,113.49
  5. Step 5: Solve for x
    x = 1,440,113.49/1,473.37
  6. Step 6: Final answer
    x = 977.43

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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.