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Finding the Fourth Proportional to 285,620.54, 425,877.26 and 277,773.50

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Solution

The fourth proportional to 285,620.54, 425,877.26 and 277,773.50 is: 414,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,620.54 : 425,877.26 = 277,773.50 : x
  2. Step 2: Convert to fraction form
    285,620.54/425,877.26 = 277,773.50/x
  3. Step 3: Cross multiply
    285,620.54x = 425,877.26 × 277,773.50
  4. Step 4: Simplify right side
    285,620.54x = 118,297,416,756.44
  5. Step 5: Solve for x
    x = 118,297,416,756.44/285,620.54
  6. Step 6: Final answer
    x = 414,176.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.