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Finding the Fourth Proportional to 529,906.70, 794,860.05 and 471,845.90

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Solution

The fourth proportional to 529,906.70, 794,860.05 and 471,845.90 is: 707,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,906.70 : 794,860.05 = 471,845.90 : x
  2. Step 2: Convert to fraction form
    529,906.70/794,860.05 = 471,845.90/x
  3. Step 3: Cross multiply
    529,906.70x = 794,860.05 × 471,845.90
  4. Step 4: Simplify right side
    529,906.70x = 375,051,455,666.30
  5. Step 5: Solve for x
    x = 375,051,455,666.30/529,906.70
  6. Step 6: Final answer
    x = 707,768.85

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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.