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Finding the Fourth Proportional to 655,570,400.70, 983,355,601.05 and 655,570,400.70

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Solution

The fourth proportional to 655,570,400.70, 983,355,601.05 and 655,570,400.70 is: 983,355,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,570,400.70 : 983,355,601.05 = 655,570,400.70 : x
  2. Step 2: Convert to fraction form
    655,570,400.70/983,355,601.05 = 655,570,400.70/x
  3. Step 3: Cross multiply
    655,570,400.70x = 983,355,601.05 × 655,570,400.70
  4. Step 4: Simplify right side
    655,570,400.70x = 644,658,825,410,937,856
  5. Step 5: Solve for x
    x = 644,658,825,410,937,856/655,570,400.70
  6. Step 6: Final answer
    x = 983,355,601.05

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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.