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Finding the Fourth Proportional to 492,301.11, 738,030.44 and 188,912.97

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Solution

The fourth proportional to 492,301.11, 738,030.44 and 188,912.97 is: 283,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,301.11 : 738,030.44 = 188,912.97 : x
  2. Step 2: Convert to fraction form
    492,301.11/738,030.44 = 188,912.97/x
  3. Step 3: Cross multiply
    492,301.11x = 738,030.44 × 188,912.97
  4. Step 4: Simplify right side
    492,301.11x = 139,423,523,271.32
  5. Step 5: Solve for x
    x = 139,423,523,271.32/492,301.11
  6. Step 6: Final answer
    x = 283,207.82

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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.