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Finding the Fourth Proportional to 578,510.52, 867,850.26 and 179,187

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Solution

The fourth proportional to 578,510.52, 867,850.26 and 179,187 is: 268,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,510.52 : 867,850.26 = 179,187 : x
  2. Step 2: Convert to fraction form
    578,510.52/867,850.26 = 179,187/x
  3. Step 3: Cross multiply
    578,510.52x = 867,850.26 × 179,187
  4. Step 4: Simplify right side
    578,510.52x = 155,507,484,538.62
  5. Step 5: Solve for x
    x = 155,507,484,538.62/578,510.52
  6. Step 6: Final answer
    x = 268,806.67

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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.