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Finding the Fourth Proportional to 321,922.40, 482,883.60 and 237,941.60

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Solution

The fourth proportional to 321,922.40, 482,883.60 and 237,941.60 is: 356,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,922.40 : 482,883.60 = 237,941.60 : x
  2. Step 2: Convert to fraction form
    321,922.40/482,883.60 = 237,941.60/x
  3. Step 3: Cross multiply
    321,922.40x = 482,883.60 × 237,941.60
  4. Step 4: Simplify right side
    321,922.40x = 114,898,096,397.76
  5. Step 5: Solve for x
    x = 114,898,096,397.76/321,922.40
  6. Step 6: Final answer
    x = 356,912.40

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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.