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Finding the Fourth Proportional to 499,743.84, 689,645.52 and 273,389.52

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Solution

The fourth proportional to 499,743.84, 689,645.52 and 273,389.52 is: 377,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,743.84 : 689,645.52 = 273,389.52 : x
  2. Step 2: Convert to fraction form
    499,743.84/689,645.52 = 273,389.52/x
  3. Step 3: Cross multiply
    499,743.84x = 689,645.52 × 273,389.52
  4. Step 4: Simplify right side
    499,743.84x = 188,541,857,682.95
  5. Step 5: Solve for x
    x = 188,541,857,682.95/499,743.84
  6. Step 6: Final answer
    x = 377,277.00

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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.