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Finding the Fourth Proportional to 320,726.96, 481,085.56 and 110,366.64

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Solution

The fourth proportional to 320,726.96, 481,085.56 and 110,366.64 is: 165,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,726.96 : 481,085.56 = 110,366.64 : x
  2. Step 2: Convert to fraction form
    320,726.96/481,085.56 = 110,366.64/x
  3. Step 3: Cross multiply
    320,726.96x = 481,085.56 × 110,366.64
  4. Step 4: Simplify right side
    320,726.96x = 53,095,796,809.72
  5. Step 5: Solve for x
    x = 53,095,796,809.72/320,726.96
  6. Step 6: Final answer
    x = 165,548.28

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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.