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Finding the Fourth Proportional to 6,804,384.80, 10,211,242.80 and 3,020,583.20

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Solution

The fourth proportional to 6,804,384.80, 10,211,242.80 and 3,020,583.20 is: 4,532,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804,384.80 : 10,211,242.80 = 3,020,583.20 : x
  2. Step 2: Convert to fraction form
    6,804,384.80/10,211,242.80 = 3,020,583.20/x
  3. Step 3: Cross multiply
    6,804,384.80x = 10,211,242.80 × 3,020,583.20
  4. Step 4: Simplify right side
    6,804,384.80x = 30,843,908,452,800.96
  5. Step 5: Solve for x
    x = 30,843,908,452,800.96/6,804,384.80
  6. Step 6: Final answer
    x = 4,532,945.94

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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.