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Finding the Fourth Proportional to 441,534.95, 662,308.50 and 125,991.76

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Solution

The fourth proportional to 441,534.95, 662,308.50 and 125,991.76 is: 188,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,534.95 : 662,308.50 = 125,991.76 : x
  2. Step 2: Convert to fraction form
    441,534.95/662,308.50 = 125,991.76/x
  3. Step 3: Cross multiply
    441,534.95x = 662,308.50 × 125,991.76
  4. Step 4: Simplify right side
    441,534.95x = 83,445,413,577.96
  5. Step 5: Solve for x
    x = 83,445,413,577.96/441,534.95
  6. Step 6: Final answer
    x = 188,989.37

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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.