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Finding the Fourth Proportional to 372,902.49, 514,608.82 and 225,730.73

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Solution

The fourth proportional to 372,902.49, 514,608.82 and 225,730.73 is: 311,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,902.49 : 514,608.82 = 225,730.73 : x
  2. Step 2: Convert to fraction form
    372,902.49/514,608.82 = 225,730.73/x
  3. Step 3: Cross multiply
    372,902.49x = 514,608.82 × 225,730.73
  4. Step 4: Simplify right side
    372,902.49x = 116,163,022,030.00
  5. Step 5: Solve for x
    x = 116,163,022,030.00/372,902.49
  6. Step 6: Final answer
    x = 311,510.45

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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.