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Finding the Fourth Proportional to 5,176,293.80, 7,764,367.80 and 2,336,401.40

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Solution

The fourth proportional to 5,176,293.80, 7,764,367.80 and 2,336,401.40 is: 3,504,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,293.80 : 7,764,367.80 = 2,336,401.40 : x
  2. Step 2: Convert to fraction form
    5,176,293.80/7,764,367.80 = 2,336,401.40/x
  3. Step 3: Cross multiply
    5,176,293.80x = 7,764,367.80 × 2,336,401.40
  4. Step 4: Simplify right side
    5,176,293.80x = 18,140,679,798,034.92
  5. Step 5: Solve for x
    x = 18,140,679,798,034.92/5,176,293.80
  6. Step 6: Final answer
    x = 3,504,569.20

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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.