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Finding the Fourth Proportional to 563,295.60, 844,998.60 and 163,940.40

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Solution

The fourth proportional to 563,295.60, 844,998.60 and 163,940.40 is: 245,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,295.60 : 844,998.60 = 163,940.40 : x
  2. Step 2: Convert to fraction form
    563,295.60/844,998.60 = 163,940.40/x
  3. Step 3: Cross multiply
    563,295.60x = 844,998.60 × 163,940.40
  4. Step 4: Simplify right side
    563,295.60x = 138,529,408,483.44
  5. Step 5: Solve for x
    x = 138,529,408,483.44/563,295.60
  6. Step 6: Final answer
    x = 245,926.67

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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.