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Finding the Fourth Proportional to 433,137.33, 649,779.98 and 133,612.29

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Solution

The fourth proportional to 433,137.33, 649,779.98 and 133,612.29 is: 200,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,137.33 : 649,779.98 = 133,612.29 : x
  2. Step 2: Convert to fraction form
    433,137.33/649,779.98 = 133,612.29/x
  3. Step 3: Cross multiply
    433,137.33x = 649,779.98 × 133,612.29
  4. Step 4: Simplify right side
    433,137.33x = 86,818,590,455.89
  5. Step 5: Solve for x
    x = 86,818,590,455.89/433,137.33
  6. Step 6: Final answer
    x = 200,441.26

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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.