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Finding the Fourth Proportional to 606,334.12, 836,529.80 and 388,662.83

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Solution

The fourth proportional to 606,334.12, 836,529.80 and 388,662.83 is: 536,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,334.12 : 836,529.80 = 388,662.83 : x
  2. Step 2: Convert to fraction form
    606,334.12/836,529.80 = 388,662.83/x
  3. Step 3: Cross multiply
    606,334.12x = 836,529.80 × 388,662.83
  4. Step 4: Simplify right side
    606,334.12x = 325,128,037,804.84
  5. Step 5: Solve for x
    x = 325,128,037,804.84/606,334.12
  6. Step 6: Final answer
    x = 536,219.27

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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.