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Finding the Fourth Proportional to 308,493,567.94, 425,728,957.66 and 169,264,292.80

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Solution

The fourth proportional to 308,493,567.94, 425,728,957.66 and 169,264,292.80 is: 233,589,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,493,567.94 : 425,728,957.66 = 169,264,292.80 : x
  2. Step 2: Convert to fraction form
    308,493,567.94/425,728,957.66 = 169,264,292.80/x
  3. Step 3: Cross multiply
    308,493,567.94x = 425,728,957.66 × 169,264,292.80
  4. Step 4: Simplify right side
    308,493,567.94x = 72,060,710,940,672,400
  5. Step 5: Solve for x
    x = 72,060,710,940,672,400/308,493,567.94
  6. Step 6: Final answer
    x = 233,589,022.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.