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Finding the Fourth Proportional to 3,269,868.42, 4,905,852.80 and 995,832.71

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Solution

The fourth proportional to 3,269,868.42, 4,905,852.80 and 995,832.71 is: 1,494,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,868.42 : 4,905,852.80 = 995,832.71 : x
  2. Step 2: Convert to fraction form
    3,269,868.42/4,905,852.80 = 995,832.71/x
  3. Step 3: Cross multiply
    3,269,868.42x = 4,905,852.80 × 995,832.71
  4. Step 4: Simplify right side
    3,269,868.42x = 4,885,408,688,685.09
  5. Step 5: Solve for x
    x = 4,885,408,688,685.09/3,269,868.42
  6. Step 6: Final answer
    x = 1,494,068.89

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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.