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Finding the Fourth Proportional to 541,230.79, 746,899.95 and 299,530.03

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Solution

The fourth proportional to 541,230.79, 746,899.95 and 299,530.03 is: 413,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,230.79 : 746,899.95 = 299,530.03 : x
  2. Step 2: Convert to fraction form
    541,230.79/746,899.95 = 299,530.03/x
  3. Step 3: Cross multiply
    541,230.79x = 746,899.95 × 299,530.03
  4. Step 4: Simplify right side
    541,230.79x = 223,718,965,548.92
  5. Step 5: Solve for x
    x = 223,718,965,548.92/541,230.79
  6. Step 6: Final answer
    x = 413,352.25

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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.