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Finding the Fourth Proportional to 1,465,200.45, 2,197,800.68 and 1,465,200.45

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Solution

The fourth proportional to 1,465,200.45, 2,197,800.68 and 1,465,200.45 is: 2,197,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,200.45 : 2,197,800.68 = 1,465,200.45 : x
  2. Step 2: Convert to fraction form
    1,465,200.45/2,197,800.68 = 1,465,200.45/x
  3. Step 3: Cross multiply
    1,465,200.45x = 2,197,800.68 × 1,465,200.45
  4. Step 4: Simplify right side
    1,465,200.45x = 3,220,218,538,020.30
  5. Step 5: Solve for x
    x = 3,220,218,538,020.30/1,465,200.45
  6. Step 6: Final answer
    x = 2,197,800.68

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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.