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Finding the Fourth Proportional to 451,060.84, 622,462.62 and 260,072.56

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Solution

The fourth proportional to 451,060.84, 622,462.62 and 260,072.56 is: 358,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,060.84 : 622,462.62 = 260,072.56 : x
  2. Step 2: Convert to fraction form
    451,060.84/622,462.62 = 260,072.56/x
  3. Step 3: Cross multiply
    451,060.84x = 622,462.62 × 260,072.56
  4. Step 4: Simplify right side
    451,060.84x = 161,885,447,087.71
  5. Step 5: Solve for x
    x = 161,885,447,087.71/451,060.84
  6. Step 6: Final answer
    x = 358,899.36

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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.