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Finding the Fourth Proportional to 411,096.80, 615,982.80 and 233,074.40

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Solution

The fourth proportional to 411,096.80, 615,982.80 and 233,074.40 is: 349,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,096.80 : 615,982.80 = 233,074.40 : x
  2. Step 2: Convert to fraction form
    411,096.80/615,982.80 = 233,074.40/x
  3. Step 3: Cross multiply
    411,096.80x = 615,982.80 × 233,074.40
  4. Step 4: Simplify right side
    411,096.80x = 143,569,821,520.32
  5. Step 5: Solve for x
    x = 143,569,821,520.32/411,096.80
  6. Step 6: Final answer
    x = 349,236.05

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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.