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Finding the Fourth Proportional to 492,969.48, 680,297.88 and 266,614.98

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Solution

The fourth proportional to 492,969.48, 680,297.88 and 266,614.98 is: 367,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,969.48 : 680,297.88 = 266,614.98 : x
  2. Step 2: Convert to fraction form
    492,969.48/680,297.88 = 266,614.98/x
  3. Step 3: Cross multiply
    492,969.48x = 680,297.88 × 266,614.98
  4. Step 4: Simplify right side
    492,969.48x = 181,377,605,670.24
  5. Step 5: Solve for x
    x = 181,377,605,670.24/492,969.48
  6. Step 6: Final answer
    x = 367,928.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.