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Finding the Fourth Proportional to 574,457.42, 861,814.02 and 175,129.22

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Solution

The fourth proportional to 574,457.42, 861,814.02 and 175,129.22 is: 262,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,457.42 : 861,814.02 = 175,129.22 : x
  2. Step 2: Convert to fraction form
    574,457.42/861,814.02 = 175,129.22/x
  3. Step 3: Cross multiply
    574,457.42x = 861,814.02 × 175,129.22
  4. Step 4: Simplify right side
    574,457.42x = 150,928,817,107.66
  5. Step 5: Solve for x
    x = 150,928,817,107.66/574,457.42
  6. Step 6: Final answer
    x = 262,732.82

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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.