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Finding the Fourth Proportional to 611,024.80, 916,169 and 274,004.52

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Solution

The fourth proportional to 611,024.80, 916,169 and 274,004.52 is: 410,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,024.80 : 916,169 = 274,004.52 : x
  2. Step 2: Convert to fraction form
    611,024.80/916,169 = 274,004.52/x
  3. Step 3: Cross multiply
    611,024.80x = 916,169 × 274,004.52
  4. Step 4: Simplify right side
    611,024.80x = 251,034,447,083.88
  5. Step 5: Solve for x
    x = 251,034,447,083.88/611,024.80
  6. Step 6: Final answer
    x = 410,841.67

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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.