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Finding the Fourth Proportional to 603,614,708.40, 905,422,062.60 and 603,614,708.40

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Solution

The fourth proportional to 603,614,708.40, 905,422,062.60 and 603,614,708.40 is: 905,422,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,708.40 : 905,422,062.60 = 603,614,708.40 : x
  2. Step 2: Convert to fraction form
    603,614,708.40/905,422,062.60 = 603,614,708.40/x
  3. Step 3: Cross multiply
    603,614,708.40x = 905,422,062.60 × 603,614,708.40
  4. Step 4: Simplify right side
    603,614,708.40x = 546,526,074,295,225,536
  5. Step 5: Solve for x
    x = 546,526,074,295,225,536/603,614,708.40
  6. Step 6: Final answer
    x = 905,422,062.60

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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.