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Finding the Fourth Proportional to 556,927.84, 768,577.58 and 327,443.50

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Solution

The fourth proportional to 556,927.84, 768,577.58 and 327,443.50 is: 451,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,927.84 : 768,577.58 = 327,443.50 : x
  2. Step 2: Convert to fraction form
    556,927.84/768,577.58 = 327,443.50/x
  3. Step 3: Cross multiply
    556,927.84x = 768,577.58 × 327,443.50
  4. Step 4: Simplify right side
    556,927.84x = 251,665,732,816.73
  5. Step 5: Solve for x
    x = 251,665,732,816.73/556,927.84
  6. Step 6: Final answer
    x = 451,882.12

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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.