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Finding the Fourth Proportional to 325,537.58, 489,054.74 and 229,695.38

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Solution

The fourth proportional to 325,537.58, 489,054.74 and 229,695.38 is: 345,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,537.58 : 489,054.74 = 229,695.38 : x
  2. Step 2: Convert to fraction form
    325,537.58/489,054.74 = 229,695.38/x
  3. Step 3: Cross multiply
    325,537.58x = 489,054.74 × 229,695.38
  4. Step 4: Simplify right side
    325,537.58x = 112,333,610,751.35
  5. Step 5: Solve for x
    x = 112,333,610,751.35/325,537.58
  6. Step 6: Final answer
    x = 345,071.11

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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.