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Finding the Fourth Proportional to 554,431.82, 831,750.39 and 175,447.95

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Solution

The fourth proportional to 554,431.82, 831,750.39 and 175,447.95 is: 263,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,431.82 : 831,750.39 = 175,447.95 : x
  2. Step 2: Convert to fraction form
    554,431.82/831,750.39 = 175,447.95/x
  3. Step 3: Cross multiply
    554,431.82x = 831,750.39 × 175,447.95
  4. Step 4: Simplify right side
    554,431.82x = 145,928,900,837.20
  5. Step 5: Solve for x
    x = 145,928,900,837.20/554,431.82
  6. Step 6: Final answer
    x = 263,204.41

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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.