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Finding the Fourth Proportional to 6,648,888.84, 9,973,335.42 and 1,600,199.34

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Solution

The fourth proportional to 6,648,888.84, 9,973,335.42 and 1,600,199.34 is: 2,400,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,888.84 : 9,973,335.42 = 1,600,199.34 : x
  2. Step 2: Convert to fraction form
    6,648,888.84/9,973,335.42 = 1,600,199.34/x
  3. Step 3: Cross multiply
    6,648,888.84x = 9,973,335.42 × 1,600,199.34
  4. Step 4: Simplify right side
    6,648,888.84x = 15,959,324,756,682.62
  5. Step 5: Solve for x
    x = 15,959,324,756,682.62/6,648,888.84
  6. Step 6: Final answer
    x = 2,400,299.53

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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.