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Finding the Fourth Proportional to 322,618,304.40, 483,031,661.40 and 313,660,352.40

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Solution

The fourth proportional to 322,618,304.40, 483,031,661.40 and 313,660,352.40 is: 469,619,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,618,304.40 : 483,031,661.40 = 313,660,352.40 : x
  2. Step 2: Convert to fraction form
    322,618,304.40/483,031,661.40 = 313,660,352.40/x
  3. Step 3: Cross multiply
    322,618,304.40x = 483,031,661.40 × 313,660,352.40
  4. Step 4: Simplify right side
    322,618,304.40x = 151,507,881,135,081,472
  5. Step 5: Solve for x
    x = 151,507,881,135,081,472/322,618,304.40
  6. Step 6: Final answer
    x = 469,619,606.42

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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.