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Finding the Fourth Proportional to 576,185.82, 795,041.34 and 321,536.40

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Solution

The fourth proportional to 576,185.82, 795,041.34 and 321,536.40 is: 443,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,185.82 : 795,041.34 = 321,536.40 : x
  2. Step 2: Convert to fraction form
    576,185.82/795,041.34 = 321,536.40/x
  3. Step 3: Cross multiply
    576,185.82x = 795,041.34 × 321,536.40
  4. Step 4: Simplify right side
    576,185.82x = 255,634,730,314.78
  5. Step 5: Solve for x
    x = 255,634,730,314.78/576,185.82
  6. Step 6: Final answer
    x = 443,667.17

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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.