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Finding the Fourth Proportional to 707,580.78, 1,061,407.62 and 202,101.90

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Solution

The fourth proportional to 707,580.78, 1,061,407.62 and 202,101.90 is: 303,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,580.78 : 1,061,407.62 = 202,101.90 : x
  2. Step 2: Convert to fraction form
    707,580.78/1,061,407.62 = 202,101.90/x
  3. Step 3: Cross multiply
    707,580.78x = 1,061,407.62 × 202,101.90
  4. Step 4: Simplify right side
    707,580.78x = 214,512,496,676.48
  5. Step 5: Solve for x
    x = 214,512,496,676.48/707,580.78
  6. Step 6: Final answer
    x = 303,163.26

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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.