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Finding the Fourth Proportional to 527,469.10, 789,891.44 and 368,955.34

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Solution

The fourth proportional to 527,469.10, 789,891.44 and 368,955.34 is: 552,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,469.10 : 789,891.44 = 368,955.34 : x
  2. Step 2: Convert to fraction form
    527,469.10/789,891.44 = 368,955.34/x
  3. Step 3: Cross multiply
    527,469.10x = 789,891.44 × 368,955.34
  4. Step 4: Simplify right side
    527,469.10x = 291,434,664,808.29
  5. Step 5: Solve for x
    x = 291,434,664,808.29/527,469.10
  6. Step 6: Final answer
    x = 552,515.14

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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.