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Finding the Fourth Proportional to 573,678.06, 860,484.24 and 218,727.96

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Solution

The fourth proportional to 573,678.06, 860,484.24 and 218,727.96 is: 328,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,678.06 : 860,484.24 = 218,727.96 : x
  2. Step 2: Convert to fraction form
    573,678.06/860,484.24 = 218,727.96/x
  3. Step 3: Cross multiply
    573,678.06x = 860,484.24 × 218,727.96
  4. Step 4: Simplify right side
    573,678.06x = 188,211,962,427.35
  5. Step 5: Solve for x
    x = 188,211,962,427.35/573,678.06
  6. Step 6: Final answer
    x = 328,079.42

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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.