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Finding the Fourth Proportional to 3,669,133.63, 5,503,971.09 and 973,399.16

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Solution

The fourth proportional to 3,669,133.63, 5,503,971.09 and 973,399.16 is: 1,460,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,133.63 : 5,503,971.09 = 973,399.16 : x
  2. Step 2: Convert to fraction form
    3,669,133.63/5,503,971.09 = 973,399.16/x
  3. Step 3: Cross multiply
    3,669,133.63x = 5,503,971.09 × 973,399.16
  4. Step 4: Simplify right side
    3,669,133.63x = 5,357,560,835,670.28
  5. Step 5: Solve for x
    x = 5,357,560,835,670.28/3,669,133.63
  6. Step 6: Final answer
    x = 1,460,170.54

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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.