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Finding the Fourth Proportional to 248,362.56, 370,740.72 and 229,859.52

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Solution

The fourth proportional to 248,362.56, 370,740.72 and 229,859.52 is: 343,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362.56 : 370,740.72 = 229,859.52 : x
  2. Step 2: Convert to fraction form
    248,362.56/370,740.72 = 229,859.52/x
  3. Step 3: Cross multiply
    248,362.56x = 370,740.72 × 229,859.52
  4. Step 4: Simplify right side
    248,362.56x = 85,218,283,943.65
  5. Step 5: Solve for x
    x = 85,218,283,943.65/248,362.56
  6. Step 6: Final answer
    x = 343,120.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.