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Finding the Fourth Proportional to 273,918.26, 410,898.01 and 81,777.49

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Solution

The fourth proportional to 273,918.26, 410,898.01 and 81,777.49 is: 122,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,918.26 : 410,898.01 = 81,777.49 : x
  2. Step 2: Convert to fraction form
    273,918.26/410,898.01 = 81,777.49/x
  3. Step 3: Cross multiply
    273,918.26x = 410,898.01 × 81,777.49
  4. Step 4: Simplify right side
    273,918.26x = 33,602,208,519.64
  5. Step 5: Solve for x
    x = 33,602,208,519.64/273,918.26
  6. Step 6: Final answer
    x = 122,672.40

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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.