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Finding the Fourth Proportional to 655,239.62, 982,999.77 and 371,064.49

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Solution

The fourth proportional to 655,239.62, 982,999.77 and 371,064.49 is: 556,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,239.62 : 982,999.77 = 371,064.49 : x
  2. Step 2: Convert to fraction form
    655,239.62/982,999.77 = 371,064.49/x
  3. Step 3: Cross multiply
    655,239.62x = 982,999.77 × 371,064.49
  4. Step 4: Simplify right side
    655,239.62x = 364,756,301,554.85
  5. Step 5: Solve for x
    x = 364,756,301,554.85/655,239.62
  6. Step 6: Final answer
    x = 556,676.20

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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.