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Finding the Fourth Proportional to 304,674.84, 457,442.28 and 191,989.80

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Solution

The fourth proportional to 304,674.84, 457,442.28 and 191,989.80 is: 288,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,674.84 : 457,442.28 = 191,989.80 : x
  2. Step 2: Convert to fraction form
    304,674.84/457,442.28 = 191,989.80/x
  3. Step 3: Cross multiply
    304,674.84x = 457,442.28 × 191,989.80
  4. Step 4: Simplify right side
    304,674.84x = 87,824,251,848.74
  5. Step 5: Solve for x
    x = 87,824,251,848.74/304,674.84
  6. Step 6: Final answer
    x = 288,255.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.