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Finding the Fourth Proportional to 2,700,806.80, 4,048,675.80 and 1,019,040.40

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Solution

The fourth proportional to 2,700,806.80, 4,048,675.80 and 1,019,040.40 is: 1,527,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700,806.80 : 4,048,675.80 = 1,019,040.40 : x
  2. Step 2: Convert to fraction form
    2,700,806.80/4,048,675.80 = 1,019,040.40/x
  3. Step 3: Cross multiply
    2,700,806.80x = 4,048,675.80 × 1,019,040.40
  4. Step 4: Simplify right side
    2,700,806.80x = 4,125,764,206,702.32
  5. Step 5: Solve for x
    x = 4,125,764,206,702.32/2,700,806.80
  6. Step 6: Final answer
    x = 1,527,604.35

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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.