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Finding the Fourth Proportional to 618,370.56, 927,510.48 and 197,533.44

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Solution

The fourth proportional to 618,370.56, 927,510.48 and 197,533.44 is: 296,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,370.56 : 927,510.48 = 197,533.44 : x
  2. Step 2: Convert to fraction form
    618,370.56/927,510.48 = 197,533.44/x
  3. Step 3: Cross multiply
    618,370.56x = 927,510.48 × 197,533.44
  4. Step 4: Simplify right side
    618,370.56x = 183,214,335,750.45
  5. Step 5: Solve for x
    x = 183,214,335,750.45/618,370.56
  6. Step 6: Final answer
    x = 296,285.67

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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.