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Finding the Fourth Proportional to 240,003.20, 359,486.40 and 213,737.60

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Solution

The fourth proportional to 240,003.20, 359,486.40 and 213,737.60 is: 320,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,003.20 : 359,486.40 = 213,737.60 : x
  2. Step 2: Convert to fraction form
    240,003.20/359,486.40 = 213,737.60/x
  3. Step 3: Cross multiply
    240,003.20x = 359,486.40 × 213,737.60
  4. Step 4: Simplify right side
    240,003.20x = 76,835,760,368.64
  5. Step 5: Solve for x
    x = 76,835,760,368.64/240,003.20
  6. Step 6: Final answer
    x = 320,144.73

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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.