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Finding the Fourth Proportional to 603,576,821.80, 905,365,232.70 and 567,863,986.60

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Solution

The fourth proportional to 603,576,821.80, 905,365,232.70 and 567,863,986.60 is: 851,795,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,576,821.80 : 905,365,232.70 = 567,863,986.60 : x
  2. Step 2: Convert to fraction form
    603,576,821.80/905,365,232.70 = 567,863,986.60/x
  3. Step 3: Cross multiply
    603,576,821.80x = 905,365,232.70 × 567,863,986.60
  4. Step 4: Simplify right side
    603,576,821.80x = 514,124,310,370,058,752
  5. Step 5: Solve for x
    x = 514,124,310,370,058,752/603,576,821.80
  6. Step 6: Final answer
    x = 851,795,979.90

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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.