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Finding the Fourth Proportional to 626,774.27, 940,050.26 and 285,138.33

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Solution

The fourth proportional to 626,774.27, 940,050.26 and 285,138.33 is: 427,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,774.27 : 940,050.26 = 285,138.33 : x
  2. Step 2: Convert to fraction form
    626,774.27/940,050.26 = 285,138.33/x
  3. Step 3: Cross multiply
    626,774.27x = 940,050.26 × 285,138.33
  4. Step 4: Simplify right side
    626,774.27x = 268,044,357,370.85
  5. Step 5: Solve for x
    x = 268,044,357,370.85/626,774.27
  6. Step 6: Final answer
    x = 427,656.93

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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.