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Finding the Fourth Proportional to 2,979,223.80, 4,468,835.70 and 735,361.80

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Solution

The fourth proportional to 2,979,223.80, 4,468,835.70 and 735,361.80 is: 1,103,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,223.80 : 4,468,835.70 = 735,361.80 : x
  2. Step 2: Convert to fraction form
    2,979,223.80/4,468,835.70 = 735,361.80/x
  3. Step 3: Cross multiply
    2,979,223.80x = 4,468,835.70 × 735,361.80
  4. Step 4: Simplify right side
    2,979,223.80x = 3,286,211,064,256.26
  5. Step 5: Solve for x
    x = 3,286,211,064,256.26/2,979,223.80
  6. Step 6: Final answer
    x = 1,103,042.70

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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.