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Finding the Fourth Proportional to 696,632, 1,044,960.97 and 198,008.96

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Solution

The fourth proportional to 696,632, 1,044,960.97 and 198,008.96 is: 297,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,632 : 1,044,960.97 = 198,008.96 : x
  2. Step 2: Convert to fraction form
    696,632/1,044,960.97 = 198,008.96/x
  3. Step 3: Cross multiply
    696,632x = 1,044,960.97 × 198,008.96
  4. Step 4: Simplify right side
    696,632x = 206,911,634,910.29
  5. Step 5: Solve for x
    x = 206,911,634,910.29/696,632
  6. Step 6: Final answer
    x = 297,017.13

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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.