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Finding the Fourth Proportional to 695,662.80, 959,568.60 and 477,766.32

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Solution

The fourth proportional to 695,662.80, 959,568.60 and 477,766.32 is: 659,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,662.80 : 959,568.60 = 477,766.32 : x
  2. Step 2: Convert to fraction form
    695,662.80/959,568.60 = 477,766.32/x
  3. Step 3: Cross multiply
    695,662.80x = 959,568.60 × 477,766.32
  4. Step 4: Simplify right side
    695,662.80x = 458,449,558,809.55
  5. Step 5: Solve for x
    x = 458,449,558,809.55/695,662.80
  6. Step 6: Final answer
    x = 659,011.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.