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Finding the Fourth Proportional to 619,066.08, 927,354.96 and 322,956

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Solution

The fourth proportional to 619,066.08, 927,354.96 and 322,956 is: 483,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,066.08 : 927,354.96 = 322,956 : x
  2. Step 2: Convert to fraction form
    619,066.08/927,354.96 = 322,956/x
  3. Step 3: Cross multiply
    619,066.08x = 927,354.96 × 322,956
  4. Step 4: Simplify right side
    619,066.08x = 299,494,848,461.76
  5. Step 5: Solve for x
    x = 299,494,848,461.76/619,066.08
  6. Step 6: Final answer
    x = 483,784.94

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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.