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Finding the Fourth Proportional to 364,389.78, 502,637.43 and 235,125.93

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Solution

The fourth proportional to 364,389.78, 502,637.43 and 235,125.93 is: 324,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,389.78 : 502,637.43 = 235,125.93 : x
  2. Step 2: Convert to fraction form
    364,389.78/502,637.43 = 235,125.93/x
  3. Step 3: Cross multiply
    364,389.78x = 502,637.43 × 235,125.93
  4. Step 4: Simplify right side
    364,389.78x = 118,183,093,181.56
  5. Step 5: Solve for x
    x = 118,183,093,181.56/364,389.78
  6. Step 6: Final answer
    x = 324,331.53

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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.