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Finding the Fourth Proportional to 635,522, 953,414.28 and 186,257.60

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Solution

The fourth proportional to 635,522, 953,414.28 and 186,257.60 is: 279,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,522 : 953,414.28 = 186,257.60 : x
  2. Step 2: Convert to fraction form
    635,522/953,414.28 = 186,257.60/x
  3. Step 3: Cross multiply
    635,522x = 953,414.28 × 186,257.60
  4. Step 4: Simplify right side
    635,522x = 177,580,655,598.53
  5. Step 5: Solve for x
    x = 177,580,655,598.53/635,522
  6. Step 6: Final answer
    x = 279,424.88

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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.