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Finding the Fourth Proportional to 571,341.96, 856,274.81 and 271,914.32

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Solution

The fourth proportional to 571,341.96, 856,274.81 and 271,914.32 is: 407,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,341.96 : 856,274.81 = 271,914.32 : x
  2. Step 2: Convert to fraction form
    571,341.96/856,274.81 = 271,914.32/x
  3. Step 3: Cross multiply
    571,341.96x = 856,274.81 × 271,914.32
  4. Step 4: Simplify right side
    571,341.96x = 232,833,382,694.28
  5. Step 5: Solve for x
    x = 232,833,382,694.28/571,341.96
  6. Step 6: Final answer
    x = 407,520.19

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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.