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Finding the Fourth Proportional to 486,828.02, 730,311.15 and 149,896.67

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Solution

The fourth proportional to 486,828.02, 730,311.15 and 149,896.67 is: 224,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,828.02 : 730,311.15 = 149,896.67 : x
  2. Step 2: Convert to fraction form
    486,828.02/730,311.15 = 149,896.67/x
  3. Step 3: Cross multiply
    486,828.02x = 730,311.15 × 149,896.67
  4. Step 4: Simplify right side
    486,828.02x = 109,471,209,448.87
  5. Step 5: Solve for x
    x = 109,471,209,448.87/486,828.02
  6. Step 6: Final answer
    x = 224,866.29

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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.