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Finding the Fourth Proportional to 348,134.88, 480,583.51 and 219,262.75

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Solution

The fourth proportional to 348,134.88, 480,583.51 and 219,262.75 is: 302,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,134.88 : 480,583.51 = 219,262.75 : x
  2. Step 2: Convert to fraction form
    348,134.88/480,583.51 = 219,262.75/x
  3. Step 3: Cross multiply
    348,134.88x = 480,583.51 × 219,262.75
  4. Step 4: Simplify right side
    348,134.88x = 105,374,062,007.25
  5. Step 5: Solve for x
    x = 105,374,062,007.25/348,134.88
  6. Step 6: Final answer
    x = 302,681.71

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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.