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Finding the Fourth Proportional to 347,488.94, 479,531.08 and 194,528.39

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Solution

The fourth proportional to 347,488.94, 479,531.08 and 194,528.39 is: 268,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,488.94 : 479,531.08 = 194,528.39 : x
  2. Step 2: Convert to fraction form
    347,488.94/479,531.08 = 194,528.39/x
  3. Step 3: Cross multiply
    347,488.94x = 479,531.08 × 194,528.39
  4. Step 4: Simplify right side
    347,488.94x = 93,282,408,578.38
  5. Step 5: Solve for x
    x = 93,282,408,578.38/347,488.94
  6. Step 6: Final answer
    x = 268,447.13

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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.