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Finding the Fourth Proportional to 465,789.80, 698,223.90 and 228,938.60

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Solution

The fourth proportional to 465,789.80, 698,223.90 and 228,938.60 is: 343,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,789.80 : 698,223.90 = 228,938.60 : x
  2. Step 2: Convert to fraction form
    465,789.80/698,223.90 = 228,938.60/x
  3. Step 3: Cross multiply
    465,789.80x = 698,223.90 × 228,938.60
  4. Step 4: Simplify right side
    465,789.80x = 159,850,402,152.54
  5. Step 5: Solve for x
    x = 159,850,402,152.54/465,789.80
  6. Step 6: Final answer
    x = 343,181.41

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1.5x scale

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.