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Finding the Fourth Proportional to 3,574,405.80, 5,355,703.80 and 3,042,964.80

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Solution

The fourth proportional to 3,574,405.80, 5,355,703.80 and 3,042,964.80 is: 4,559,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574,405.80 : 5,355,703.80 = 3,042,964.80 : x
  2. Step 2: Convert to fraction form
    3,574,405.80/5,355,703.80 = 3,042,964.80/x
  3. Step 3: Cross multiply
    3,574,405.80x = 5,355,703.80 × 3,042,964.80
  4. Step 4: Simplify right side
    3,574,405.80x = 16,297,218,142,626.24
  5. Step 5: Solve for x
    x = 16,297,218,142,626.24/3,574,405.80
  6. Step 6: Final answer
    x = 4,559,420.24

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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.