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Finding the Fourth Proportional to 535,399.58, 802,028.53 and 322,049.70

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Solution

The fourth proportional to 535,399.58, 802,028.53 and 322,049.70 is: 482,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,399.58 : 802,028.53 = 322,049.70 : x
  2. Step 2: Convert to fraction form
    535,399.58/802,028.53 = 322,049.70/x
  3. Step 3: Cross multiply
    535,399.58x = 802,028.53 × 322,049.70
  4. Step 4: Simplify right side
    535,399.58x = 258,293,047,477.94
  5. Step 5: Solve for x
    x = 258,293,047,477.94/535,399.58
  6. Step 6: Final answer
    x = 482,430.43

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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.