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Finding the Fourth Proportional to 262,855.36, 362,861.49 and 153,944.54

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Solution

The fourth proportional to 262,855.36, 362,861.49 and 153,944.54 is: 212,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,855.36 : 362,861.49 = 153,944.54 : x
  2. Step 2: Convert to fraction form
    262,855.36/362,861.49 = 153,944.54/x
  3. Step 3: Cross multiply
    262,855.36x = 362,861.49 × 153,944.54
  4. Step 4: Simplify right side
    262,855.36x = 55,860,545,161.76
  5. Step 5: Solve for x
    x = 55,860,545,161.76/262,855.36
  6. Step 6: Final answer
    x = 212,514.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.