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Finding the Fourth Proportional to 655,771.03, 983,691.65 and 206,526.89

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Solution

The fourth proportional to 655,771.03, 983,691.65 and 206,526.89 is: 309,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,771.03 : 983,691.65 = 206,526.89 : x
  2. Step 2: Convert to fraction form
    655,771.03/983,691.65 = 206,526.89/x
  3. Step 3: Cross multiply
    655,771.03x = 983,691.65 × 206,526.89
  4. Step 4: Simplify right side
    655,771.03x = 203,158,771,758.69
  5. Step 5: Solve for x
    x = 203,158,771,758.69/655,771.03
  6. Step 6: Final answer
    x = 309,801.38

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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.