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Finding the Fourth Proportional to 574,235.19, 860,819.79 and 254,216.34

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Solution

The fourth proportional to 574,235.19, 860,819.79 and 254,216.34 is: 381,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,235.19 : 860,819.79 = 254,216.34 : x
  2. Step 2: Convert to fraction form
    574,235.19/860,819.79 = 254,216.34/x
  3. Step 3: Cross multiply
    574,235.19x = 860,819.79 × 254,216.34
  4. Step 4: Simplify right side
    574,235.19x = 218,834,456,413.37
  5. Step 5: Solve for x
    x = 218,834,456,413.37/574,235.19
  6. Step 6: Final answer
    x = 381,088.55

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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.