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Finding the Fourth Proportional to 544,956.22, 817,438.88 and 189,969.67

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Solution

The fourth proportional to 544,956.22, 817,438.88 and 189,969.67 is: 284,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,956.22 : 817,438.88 = 189,969.67 : x
  2. Step 2: Convert to fraction form
    544,956.22/817,438.88 = 189,969.67/x
  3. Step 3: Cross multiply
    544,956.22x = 817,438.88 × 189,969.67
  4. Step 4: Simplify right side
    544,956.22x = 155,288,594,278.77
  5. Step 5: Solve for x
    x = 155,288,594,278.77/544,956.22
  6. Step 6: Final answer
    x = 284,956.09

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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.