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Finding the Fourth Proportional to 426,243.90, 588,174.71 and 235,244.96

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Solution

The fourth proportional to 426,243.90, 588,174.71 and 235,244.96 is: 324,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,243.90 : 588,174.71 = 235,244.96 : x
  2. Step 2: Convert to fraction form
    426,243.90/588,174.71 = 235,244.96/x
  3. Step 3: Cross multiply
    426,243.90x = 588,174.71 × 235,244.96
  4. Step 4: Simplify right side
    426,243.90x = 138,365,134,950.74
  5. Step 5: Solve for x
    x = 138,365,134,950.74/426,243.90
  6. Step 6: Final answer
    x = 324,614.93

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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.