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Finding the Fourth Proportional to 665,199.40, 997,580.40 and 244,420.60

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Solution

The fourth proportional to 665,199.40, 997,580.40 and 244,420.60 is: 366,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,199.40 : 997,580.40 = 244,420.60 : x
  2. Step 2: Convert to fraction form
    665,199.40/997,580.40 = 244,420.60/x
  3. Step 3: Cross multiply
    665,199.40x = 997,580.40 × 244,420.60
  4. Step 4: Simplify right side
    665,199.40x = 243,829,199,916.24
  5. Step 5: Solve for x
    x = 243,829,199,916.24/665,199.40
  6. Step 6: Final answer
    x = 366,550.54

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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.