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Finding the Fourth Proportional to 540,016.48, 745,191.86 and 322,470.64

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Solution

The fourth proportional to 540,016.48, 745,191.86 and 322,470.64 is: 444,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016.48 : 745,191.86 = 322,470.64 : x
  2. Step 2: Convert to fraction form
    540,016.48/745,191.86 = 322,470.64/x
  3. Step 3: Cross multiply
    540,016.48x = 745,191.86 × 322,470.64
  4. Step 4: Simplify right side
    540,016.48x = 240,302,496,016.99
  5. Step 5: Solve for x
    x = 240,302,496,016.99/540,016.48
  6. Step 6: Final answer
    x = 444,991.04

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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.