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Finding the Fourth Proportional to 353,433.90, 493,757.70 and 353,433.90

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Solution

The fourth proportional to 353,433.90, 493,757.70 and 353,433.90 is: 493,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,433.90 : 493,757.70 = 353,433.90 : x
  2. Step 2: Convert to fraction form
    353,433.90/493,757.70 = 353,433.90/x
  3. Step 3: Cross multiply
    353,433.90x = 493,757.70 × 353,433.90
  4. Step 4: Simplify right side
    353,433.90x = 174,510,709,566.03
  5. Step 5: Solve for x
    x = 174,510,709,566.03/353,433.90
  6. Step 6: Final answer
    x = 493,757.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.