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Finding the Fourth Proportional to 349,496,193, 482,304,953.70 and 194,971,521

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Solution

The fourth proportional to 349,496,193, 482,304,953.70 and 194,971,521 is: 269,060,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,496,193 : 482,304,953.70 = 194,971,521 : x
  2. Step 2: Convert to fraction form
    349,496,193/482,304,953.70 = 194,971,521/x
  3. Step 3: Cross multiply
    349,496,193x = 482,304,953.70 × 194,971,521
  4. Step 4: Simplify right side
    349,496,193x = 94,035,730,408,723,568
  5. Step 5: Solve for x
    x = 94,035,730,408,723,568/349,496,193
  6. Step 6: Final answer
    x = 269,060,814.66

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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.