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Finding the Fourth Proportional to 353,580.64, 530,318.28 and 116,924.56

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Solution

The fourth proportional to 353,580.64, 530,318.28 and 116,924.56 is: 175,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,580.64 : 530,318.28 = 116,924.56 : x
  2. Step 2: Convert to fraction form
    353,580.64/530,318.28 = 116,924.56/x
  3. Step 3: Cross multiply
    353,580.64x = 530,318.28 × 116,924.56
  4. Step 4: Simplify right side
    353,580.64x = 62,007,231,548.96
  5. Step 5: Solve for x
    x = 62,007,231,548.96/353,580.64
  6. Step 6: Final answer
    x = 175,369.42

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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.