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Finding the Fourth Proportional to 356,095.11, 491,411.36 and 194,960.39

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Solution

The fourth proportional to 356,095.11, 491,411.36 and 194,960.39 is: 269,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,095.11 : 491,411.36 = 194,960.39 : x
  2. Step 2: Convert to fraction form
    356,095.11/491,411.36 = 194,960.39/x
  3. Step 3: Cross multiply
    356,095.11x = 491,411.36 × 194,960.39
  4. Step 4: Simplify right side
    356,095.11x = 95,805,752,111.96
  5. Step 5: Solve for x
    x = 95,805,752,111.96/356,095.11
  6. Step 6: Final answer
    x = 269,045.40

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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.