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Finding the Fourth Proportional to 351,591.71, 527,412.17 and 174,051.05

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Solution

The fourth proportional to 351,591.71, 527,412.17 and 174,051.05 is: 261,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,591.71 : 527,412.17 = 174,051.05 : x
  2. Step 2: Convert to fraction form
    351,591.71/527,412.17 = 174,051.05/x
  3. Step 3: Cross multiply
    351,591.71x = 527,412.17 × 174,051.05
  4. Step 4: Simplify right side
    351,591.71x = 91,796,641,971.28
  5. Step 5: Solve for x
    x = 91,796,641,971.28/351,591.71
  6. Step 6: Final answer
    x = 261,088.76

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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.