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Finding the Fourth Proportional to 383,833.82, 574,979.65 and 191,127.70

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Solution

The fourth proportional to 383,833.82, 574,979.65 and 191,127.70 is: 286,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,833.82 : 574,979.65 = 191,127.70 : x
  2. Step 2: Convert to fraction form
    383,833.82/574,979.65 = 191,127.70/x
  3. Step 3: Cross multiply
    383,833.82x = 574,979.65 × 191,127.70
  4. Step 4: Simplify right side
    383,833.82x = 109,894,538,292.21
  5. Step 5: Solve for x
    x = 109,894,538,292.21/383,833.82
  6. Step 6: Final answer
    x = 286,307.59

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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.