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Finding the Fourth Proportional to 3,669,134.64, 5,503,972.60 and 973,400.16

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Solution

The fourth proportional to 3,669,134.64, 5,503,972.60 and 973,400.16 is: 1,460,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,134.64 : 5,503,972.60 = 973,400.16 : x
  2. Step 2: Convert to fraction form
    3,669,134.64/5,503,972.60 = 973,400.16/x
  3. Step 3: Cross multiply
    3,669,134.64x = 5,503,972.60 × 973,400.16
  4. Step 4: Simplify right side
    3,669,134.64x = 5,357,567,809,475.62
  5. Step 5: Solve for x
    x = 5,357,567,809,475.62/3,669,134.64
  6. Step 6: Final answer
    x = 1,460,172.04

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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.