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Finding the Fourth Proportional to 313,980,361.66, 470,983,528.26 and 92,651,703.69

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Solution

The fourth proportional to 313,980,361.66, 470,983,528.26 and 92,651,703.69 is: 138,981,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,980,361.66 : 470,983,528.26 = 92,651,703.69 : x
  2. Step 2: Convert to fraction form
    313,980,361.66/470,983,528.26 = 92,651,703.69/x
  3. Step 3: Cross multiply
    313,980,361.66x = 470,983,528.26 × 92,651,703.69
  4. Step 4: Simplify right side
    313,980,361.66x = 43,637,426,304,982,448
  5. Step 5: Solve for x
    x = 43,637,426,304,982,448/313,980,361.66
  6. Step 6: Final answer
    x = 138,981,387.48

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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.