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Finding the Fourth Proportional to 303,576,468.68, 418,935,592.32 and 164,348,374.52

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Solution

The fourth proportional to 303,576,468.68, 418,935,592.32 and 164,348,374.52 is: 226,800,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,576,468.68 : 418,935,592.32 = 164,348,374.52 : x
  2. Step 2: Convert to fraction form
    303,576,468.68/418,935,592.32 = 164,348,374.52/x
  3. Step 3: Cross multiply
    303,576,468.68x = 418,935,592.32 × 164,348,374.52
  4. Step 4: Simplify right side
    303,576,468.68x = 68,851,383,626,365,400
  5. Step 5: Solve for x
    x = 68,851,383,626,365,400/303,576,468.68
  6. Step 6: Final answer
    x = 226,800,792.32

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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.