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Finding the Fourth Proportional to 526,063.20, 788,803.20 and 226,492.80

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Solution

The fourth proportional to 526,063.20, 788,803.20 and 226,492.80 is: 339,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,063.20 : 788,803.20 = 226,492.80 : x
  2. Step 2: Convert to fraction form
    526,063.20/788,803.20 = 226,492.80/x
  3. Step 3: Cross multiply
    526,063.20x = 788,803.20 × 226,492.80
  4. Step 4: Simplify right side
    526,063.20x = 178,658,245,416.96
  5. Step 5: Solve for x
    x = 178,658,245,416.96/526,063.20
  6. Step 6: Final answer
    x = 339,613.65

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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.