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Finding the Fourth Proportional to 587,222.98, 880,852.74 and 279,407.51

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Solution

The fourth proportional to 587,222.98, 880,852.74 and 279,407.51 is: 419,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,222.98 : 880,852.74 = 279,407.51 : x
  2. Step 2: Convert to fraction form
    587,222.98/880,852.74 = 279,407.51/x
  3. Step 3: Cross multiply
    587,222.98x = 880,852.74 × 279,407.51
  4. Step 4: Simplify right side
    587,222.98x = 246,116,870,760.08
  5. Step 5: Solve for x
    x = 246,116,870,760.08/587,222.98
  6. Step 6: Final answer
    x = 419,119.96

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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.