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Finding the Fourth Proportional to 379,069.20, 567,048.60 and 341,744.40

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Solution

The fourth proportional to 379,069.20, 567,048.60 and 341,744.40 is: 511,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,069.20 : 567,048.60 = 341,744.40 : x
  2. Step 2: Convert to fraction form
    379,069.20/567,048.60 = 341,744.40/x
  3. Step 3: Cross multiply
    379,069.20x = 567,048.60 × 341,744.40
  4. Step 4: Simplify right side
    379,069.20x = 193,785,683,577.84
  5. Step 5: Solve for x
    x = 193,785,683,577.84/379,069.20
  6. Step 6: Final answer
    x = 511,214.53

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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.