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Finding the Fourth Proportional to 320,030.72, 441,668.80 and 184,108.80

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Solution

The fourth proportional to 320,030.72, 441,668.80 and 184,108.80 is: 254,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,030.72 : 441,668.80 = 184,108.80 : x
  2. Step 2: Convert to fraction form
    320,030.72/441,668.80 = 184,108.80/x
  3. Step 3: Cross multiply
    320,030.72x = 441,668.80 × 184,108.80
  4. Step 4: Simplify right side
    320,030.72x = 81,315,112,765.44
  5. Step 5: Solve for x
    x = 81,315,112,765.44/320,030.72
  6. Step 6: Final answer
    x = 254,085.34

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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.