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Finding the Fourth Proportional to 627,033.16, 864,716.34 and 483,565.96

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Solution

The fourth proportional to 627,033.16, 864,716.34 and 483,565.96 is: 666,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,033.16 : 864,716.34 = 483,565.96 : x
  2. Step 2: Convert to fraction form
    627,033.16/864,716.34 = 483,565.96/x
  3. Step 3: Cross multiply
    627,033.16x = 864,716.34 × 483,565.96
  4. Step 4: Simplify right side
    627,033.16x = 418,147,387,079.79
  5. Step 5: Solve for x
    x = 418,147,387,079.79/627,033.16
  6. Step 6: Final answer
    x = 666,866.47

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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.