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Finding the Fourth Proportional to 325,573.32, 489,108.54 and 229,731.18

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Solution

The fourth proportional to 325,573.32, 489,108.54 and 229,731.18 is: 345,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,573.32 : 489,108.54 = 229,731.18 : x
  2. Step 2: Convert to fraction form
    325,573.32/489,108.54 = 229,731.18/x
  3. Step 3: Cross multiply
    325,573.32x = 489,108.54 × 229,731.18
  4. Step 4: Simplify right side
    325,573.32x = 112,363,482,042.28
  5. Step 5: Solve for x
    x = 112,363,482,042.28/325,573.32
  6. Step 6: Final answer
    x = 345,124.97

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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.