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Finding the Fourth Proportional to 376,069.94, 519,013.79 and 214,948.11

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Solution

The fourth proportional to 376,069.94, 519,013.79 and 214,948.11 is: 296,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,069.94 : 519,013.79 = 214,948.11 : x
  2. Step 2: Convert to fraction form
    376,069.94/519,013.79 = 214,948.11/x
  3. Step 3: Cross multiply
    376,069.94x = 519,013.79 × 214,948.11
  4. Step 4: Simplify right side
    376,069.94x = 111,561,036,111.14
  5. Step 5: Solve for x
    x = 111,561,036,111.14/376,069.94
  6. Step 6: Final answer
    x = 296,649.70

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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.