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Finding the Fourth Proportional to 331,480.20, 497,220.30 and 94,830.60

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Solution

The fourth proportional to 331,480.20, 497,220.30 and 94,830.60 is: 142,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,480.20 : 497,220.30 = 94,830.60 : x
  2. Step 2: Convert to fraction form
    331,480.20/497,220.30 = 94,830.60/x
  3. Step 3: Cross multiply
    331,480.20x = 497,220.30 × 94,830.60
  4. Step 4: Simplify right side
    331,480.20x = 47,151,699,381.18
  5. Step 5: Solve for x
    x = 47,151,699,381.18/331,480.20
  6. Step 6: Final answer
    x = 142,245.90

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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.