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Finding the Fourth Proportional to 696,133.82, 960,605.97 and 386,045.30

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Solution

The fourth proportional to 696,133.82, 960,605.97 and 386,045.30 is: 532,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,133.82 : 960,605.97 = 386,045.30 : x
  2. Step 2: Convert to fraction form
    696,133.82/960,605.97 = 386,045.30/x
  3. Step 3: Cross multiply
    696,133.82x = 960,605.97 × 386,045.30
  4. Step 4: Simplify right side
    696,133.82x = 370,837,415,067.41
  5. Step 5: Solve for x
    x = 370,837,415,067.41/696,133.82
  6. Step 6: Final answer
    x = 532,709.96

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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.