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Finding the Fourth Proportional to 633,368.78, 949,829.09 and 183,996.17

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Solution

The fourth proportional to 633,368.78, 949,829.09 and 183,996.17 is: 275,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,368.78 : 949,829.09 = 183,996.17 : x
  2. Step 2: Convert to fraction form
    633,368.78/949,829.09 = 183,996.17/x
  3. Step 3: Cross multiply
    633,368.78x = 949,829.09 × 183,996.17
  4. Step 4: Simplify right side
    633,368.78x = 174,764,909,965.44
  5. Step 5: Solve for x
    x = 174,764,909,965.44/633,368.78
  6. Step 6: Final answer
    x = 275,929.15

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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.