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Finding the Fourth Proportional to 499,444.52, 689,235.72 and 273,089.84

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Solution

The fourth proportional to 499,444.52, 689,235.72 and 273,089.84 is: 376,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,444.52 : 689,235.72 = 273,089.84 : x
  2. Step 2: Convert to fraction form
    499,444.52/689,235.72 = 273,089.84/x
  3. Step 3: Cross multiply
    499,444.52x = 689,235.72 × 273,089.84
  4. Step 4: Simplify right side
    499,444.52x = 188,223,272,497.09
  5. Step 5: Solve for x
    x = 188,223,272,497.09/499,444.52
  6. Step 6: Final answer
    x = 376,865.23

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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.