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Finding the Fourth Proportional to 540,016.98, 745,192.56 and 322,471.14

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Solution

The fourth proportional to 540,016.98, 745,192.56 and 322,471.14 is: 444,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016.98 : 745,192.56 = 322,471.14 : x
  2. Step 2: Convert to fraction form
    540,016.98/745,192.56 = 322,471.14/x
  3. Step 3: Cross multiply
    540,016.98x = 745,192.56 × 322,471.14
  4. Step 4: Simplify right side
    540,016.98x = 240,303,094,342.72
  5. Step 5: Solve for x
    x = 240,303,094,342.72/540,016.98
  6. Step 6: Final answer
    x = 444,991.74

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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.