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Finding the Fourth Proportional to 253,366.90, 380,109.49 and 73,456.08

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Solution

The fourth proportional to 253,366.90, 380,109.49 and 73,456.08 is: 110,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,366.90 : 380,109.49 = 73,456.08 : x
  2. Step 2: Convert to fraction form
    253,366.90/380,109.49 = 73,456.08/x
  3. Step 3: Cross multiply
    253,366.90x = 380,109.49 × 73,456.08
  4. Step 4: Simplify right side
    253,366.90x = 27,921,354,048.45
  5. Step 5: Solve for x
    x = 27,921,354,048.45/253,366.90
  6. Step 6: Final answer
    x = 110,201.27

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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.