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Finding the Fourth Proportional to 541,672.79, 747,499.23 and 299,950.16

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Solution

The fourth proportional to 541,672.79, 747,499.23 and 299,950.16 is: 413,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,672.79 : 747,499.23 = 299,950.16 : x
  2. Step 2: Convert to fraction form
    541,672.79/747,499.23 = 299,950.16/x
  3. Step 3: Cross multiply
    541,672.79x = 747,499.23 × 299,950.16
  4. Step 4: Simplify right side
    541,672.79x = 224,212,515,507.13
  5. Step 5: Solve for x
    x = 224,212,515,507.13/541,672.79
  6. Step 6: Final answer
    x = 413,926.12

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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.