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Finding the Fourth Proportional to 3,669,239.80, 5,503,859.70 and 973,559.80

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Solution

The fourth proportional to 3,669,239.80, 5,503,859.70 and 973,559.80 is: 1,460,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,239.80 : 5,503,859.70 = 973,559.80 : x
  2. Step 2: Convert to fraction form
    3,669,239.80/5,503,859.70 = 973,559.80/x
  3. Step 3: Cross multiply
    3,669,239.80x = 5,503,859.70 × 973,559.80
  4. Step 4: Simplify right side
    3,669,239.80x = 5,358,336,548,760.06
  5. Step 5: Solve for x
    x = 5,358,336,548,760.06/3,669,239.80
  6. Step 6: Final answer
    x = 1,460,339.70

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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.