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Finding the Fourth Proportional to 494,428.67, 740,433.40 and 446,505.52

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Solution

The fourth proportional to 494,428.67, 740,433.40 and 446,505.52 is: 668,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.67 : 740,433.40 = 446,505.52 : x
  2. Step 2: Convert to fraction form
    494,428.67/740,433.40 = 446,505.52/x
  3. Step 3: Cross multiply
    494,428.67x = 740,433.40 × 446,505.52
  4. Step 4: Simplify right side
    494,428.67x = 330,607,600,292.37
  5. Step 5: Solve for x
    x = 330,607,600,292.37/494,428.67
  6. Step 6: Final answer
    x = 668,665.92

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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.