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Finding the Fourth Proportional to 488,875.50, 733,638.63 and 200,923.29

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Solution

The fourth proportional to 488,875.50, 733,638.63 and 200,923.29 is: 301,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,875.50 : 733,638.63 = 200,923.29 : x
  2. Step 2: Convert to fraction form
    488,875.50/733,638.63 = 200,923.29/x
  3. Step 3: Cross multiply
    488,875.50x = 733,638.63 × 200,923.29
  4. Step 4: Simplify right side
    488,875.50x = 147,405,089,428.72
  5. Step 5: Solve for x
    x = 147,405,089,428.72/488,875.50
  6. Step 6: Final answer
    x = 301,518.67

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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.