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Finding the Fourth Proportional to 425,457.65, 587,131.55 and 234,471.04

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Solution

The fourth proportional to 425,457.65, 587,131.55 and 234,471.04 is: 323,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,457.65 : 587,131.55 = 234,471.04 : x
  2. Step 2: Convert to fraction form
    425,457.65/587,131.55 = 234,471.04/x
  3. Step 3: Cross multiply
    425,457.65x = 587,131.55 × 234,471.04
  4. Step 4: Simplify right side
    425,457.65x = 137,665,344,703.29
  5. Step 5: Solve for x
    x = 137,665,344,703.29/425,457.65
  6. Step 6: Final answer
    x = 323,570.03

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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.