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Finding the Fourth Proportional to 539,383.07, 809,435.79 and 223,840.28

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Solution

The fourth proportional to 539,383.07, 809,435.79 and 223,840.28 is: 335,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,383.07 : 809,435.79 = 223,840.28 : x
  2. Step 2: Convert to fraction form
    539,383.07/809,435.79 = 223,840.28/x
  3. Step 3: Cross multiply
    539,383.07x = 809,435.79 × 223,840.28
  4. Step 4: Simplify right side
    539,383.07x = 181,184,333,875.62
  5. Step 5: Solve for x
    x = 181,184,333,875.62/539,383.07
  6. Step 6: Final answer
    x = 335,910.31

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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.