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Finding the Fourth Proportional to 322,804.72, 484,510.45 and 169,041.08

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Solution

The fourth proportional to 322,804.72, 484,510.45 and 169,041.08 is: 253,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,804.72 : 484,510.45 = 169,041.08 : x
  2. Step 2: Convert to fraction form
    322,804.72/484,510.45 = 169,041.08/x
  3. Step 3: Cross multiply
    322,804.72x = 484,510.45 × 169,041.08
  4. Step 4: Simplify right side
    322,804.72x = 81,902,166,471.53
  5. Step 5: Solve for x
    x = 81,902,166,471.53/322,804.72
  6. Step 6: Final answer
    x = 253,720.47

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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.