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Finding the Fourth Proportional to 426,242.65, 588,172.98 and 235,243.71

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Solution

The fourth proportional to 426,242.65, 588,172.98 and 235,243.71 is: 324,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,242.65 : 588,172.98 = 235,243.71 : x
  2. Step 2: Convert to fraction form
    426,242.65/588,172.98 = 235,243.71/x
  3. Step 3: Cross multiply
    426,242.65x = 588,172.98 × 235,243.71
  4. Step 4: Simplify right side
    426,242.65x = 138,363,993,936.96
  5. Step 5: Solve for x
    x = 138,363,993,936.96/426,242.65
  6. Step 6: Final answer
    x = 324,613.21

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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.