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Finding the Fourth Proportional to 4,652,055.34, 6,978,520.55 and 1,369,411.94

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Solution

The fourth proportional to 4,652,055.34, 6,978,520.55 and 1,369,411.94 is: 2,054,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,055.34 : 6,978,520.55 = 1,369,411.94 : x
  2. Step 2: Convert to fraction form
    4,652,055.34/6,978,520.55 = 1,369,411.94/x
  3. Step 3: Cross multiply
    4,652,055.34x = 6,978,520.55 × 1,369,411.94
  4. Step 4: Simplify right side
    4,652,055.34x = 9,556,469,385,575.20
  5. Step 5: Solve for x
    x = 9,556,469,385,575.20/4,652,055.34
  6. Step 6: Final answer
    x = 2,054,246.71

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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.