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Finding the Fourth Proportional to 351,230.60, 526,845.90 and 262,657.10

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Solution

The fourth proportional to 351,230.60, 526,845.90 and 262,657.10 is: 393,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,230.60 : 526,845.90 = 262,657.10 : x
  2. Step 2: Convert to fraction form
    351,230.60/526,845.90 = 262,657.10/x
  3. Step 3: Cross multiply
    351,230.60x = 526,845.90 × 262,657.10
  4. Step 4: Simplify right side
    351,230.60x = 138,379,816,240.89
  5. Step 5: Solve for x
    x = 138,379,816,240.89/351,230.60
  6. Step 6: Final answer
    x = 393,985.65

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Similar ratio
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1.5x scale

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.