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Finding the Fourth Proportional to 656,622.80, 984,966.60 and 341,694.80

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Solution

The fourth proportional to 656,622.80, 984,966.60 and 341,694.80 is: 512,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,622.80 : 984,966.60 = 341,694.80 : x
  2. Step 2: Convert to fraction form
    656,622.80/984,966.60 = 341,694.80/x
  3. Step 3: Cross multiply
    656,622.80x = 984,966.60 × 341,694.80
  4. Step 4: Simplify right side
    656,622.80x = 336,557,965,393.68
  5. Step 5: Solve for x
    x = 336,557,965,393.68/656,622.80
  6. Step 6: Final answer
    x = 512,559.06

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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.