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Finding the Fourth Proportional to 320,382.24, 441,987.48 and 184,386.48

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Solution

The fourth proportional to 320,382.24, 441,987.48 and 184,386.48 is: 254,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,382.24 : 441,987.48 = 184,386.48 : x
  2. Step 2: Convert to fraction form
    320,382.24/441,987.48 = 184,386.48/x
  3. Step 3: Cross multiply
    320,382.24x = 441,987.48 × 184,386.48
  4. Step 4: Simplify right side
    320,382.24x = 81,496,515,641.27
  5. Step 5: Solve for x
    x = 81,496,515,641.27/320,382.24
  6. Step 6: Final answer
    x = 254,372.76

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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.