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Finding the Fourth Proportional to 2,243,700, 3,365,550 and 667,764

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Solution

The fourth proportional to 2,243,700, 3,365,550 and 667,764 is: 1,001,646

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,700 : 3,365,550 = 667,764 : x
  2. Step 2: Convert to fraction form
    2,243,700/3,365,550 = 667,764/x
  3. Step 3: Cross multiply
    2,243,700x = 3,365,550 × 667,764
  4. Step 4: Simplify right side
    2,243,700x = 2,247,393,130,200
  5. Step 5: Solve for x
    x = 2,247,393,130,200/2,243,700
  6. Step 6: Final answer
    x = 1,001,646

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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.