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Finding the Fourth Proportional to 2,197,347, 3,296,041.02 and 777,643.80

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Solution

The fourth proportional to 2,197,347, 3,296,041.02 and 777,643.80 is: 1,166,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,347 : 3,296,041.02 = 777,643.80 : x
  2. Step 2: Convert to fraction form
    2,197,347/3,296,041.02 = 777,643.80/x
  3. Step 3: Cross multiply
    2,197,347x = 3,296,041.02 × 777,643.80
  4. Step 4: Simplify right side
    2,197,347x = 2,563,145,863,748.68
  5. Step 5: Solve for x
    x = 2,563,145,863,748.68/2,197,347
  6. Step 6: Final answer
    x = 1,166,472.96

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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.