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Finding the Fourth Proportional to 6,870,800.40, 10,306,200.60 and 6,870,800.40

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Solution

The fourth proportional to 6,870,800.40, 10,306,200.60 and 6,870,800.40 is: 10,306,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,800.40 : 10,306,200.60 = 6,870,800.40 : x
  2. Step 2: Convert to fraction form
    6,870,800.40/10,306,200.60 = 6,870,800.40/x
  3. Step 3: Cross multiply
    6,870,800.40x = 10,306,200.60 × 6,870,800.40
  4. Step 4: Simplify right side
    6,870,800.40x = 70,811,847,204,960.23
  5. Step 5: Solve for x
    x = 70,811,847,204,960.23/6,870,800.40
  6. Step 6: Final answer
    x = 10,306,200.60

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1.5x scale

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.