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Finding the Fourth Proportional to 601,039.64, 900,128.22 and 347,786.38

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Solution

The fourth proportional to 601,039.64, 900,128.22 and 347,786.38 is: 520,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,039.64 : 900,128.22 = 347,786.38 : x
  2. Step 2: Convert to fraction form
    601,039.64/900,128.22 = 347,786.38/x
  3. Step 3: Cross multiply
    601,039.64x = 900,128.22 × 347,786.38
  4. Step 4: Simplify right side
    601,039.64x = 313,052,335,169.64
  5. Step 5: Solve for x
    x = 313,052,335,169.64/601,039.64
  6. Step 6: Final answer
    x = 520,851.40

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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.