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Finding the Fourth Proportional to 548,503.22, 822,776.36 and 169,390.19

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Solution

The fourth proportional to 548,503.22, 822,776.36 and 169,390.19 is: 254,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,503.22 : 822,776.36 = 169,390.19 : x
  2. Step 2: Convert to fraction form
    548,503.22/822,776.36 = 169,390.19/x
  3. Step 3: Cross multiply
    548,503.22x = 822,776.36 × 169,390.19
  4. Step 4: Simplify right side
    548,503.22x = 139,370,244,885.62
  5. Step 5: Solve for x
    x = 139,370,244,885.62/548,503.22
  6. Step 6: Final answer
    x = 254,091.93

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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.