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Finding the Fourth Proportional to 385,644.84, 533,205.36 and 337,760.88

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Solution

The fourth proportional to 385,644.84, 533,205.36 and 337,760.88 is: 466,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,644.84 : 533,205.36 = 337,760.88 : x
  2. Step 2: Convert to fraction form
    385,644.84/533,205.36 = 337,760.88/x
  3. Step 3: Cross multiply
    385,644.84x = 533,205.36 × 337,760.88
  4. Step 4: Simplify right side
    385,644.84x = 180,095,911,614.32
  5. Step 5: Solve for x
    x = 180,095,911,614.32/385,644.84
  6. Step 6: Final answer
    x = 466,999.41

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