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Finding the Fourth Proportional to 348,379.38, 480,770.78 and 197,476.38

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Solution

The fourth proportional to 348,379.38, 480,770.78 and 197,476.38 is: 272,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,379.38 : 480,770.78 = 197,476.38 : x
  2. Step 2: Convert to fraction form
    348,379.38/480,770.78 = 197,476.38/x
  3. Step 3: Cross multiply
    348,379.38x = 480,770.78 × 197,476.38
  4. Step 4: Simplify right side
    348,379.38x = 94,940,872,256.79
  5. Step 5: Solve for x
    x = 94,940,872,256.79/348,379.38
  6. Step 6: Final answer
    x = 272,521.50

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1.5x scale

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.