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Finding the Fourth Proportional to 369,793.84, 554,774.28 and 117,089.68

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Solution

The fourth proportional to 369,793.84, 554,774.28 and 117,089.68 is: 175,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,793.84 : 554,774.28 = 117,089.68 : x
  2. Step 2: Convert to fraction form
    369,793.84/554,774.28 = 117,089.68/x
  3. Step 3: Cross multiply
    369,793.84x = 554,774.28 × 117,089.68
  4. Step 4: Simplify right side
    369,793.84x = 64,958,342,917.43
  5. Step 5: Solve for x
    x = 64,958,342,917.43/369,793.84
  6. Step 6: Final answer
    x = 175,660.97

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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.