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Finding the Fourth Proportional to 576,316.47, 795,284.37 and 321,684.06

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Solution

The fourth proportional to 576,316.47, 795,284.37 and 321,684.06 is: 443,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,316.47 : 795,284.37 = 321,684.06 : x
  2. Step 2: Convert to fraction form
    576,316.47/795,284.37 = 321,684.06/x
  3. Step 3: Cross multiply
    576,316.47x = 795,284.37 × 321,684.06
  4. Step 4: Simplify right side
    576,316.47x = 255,830,304,996.14
  5. Step 5: Solve for x
    x = 255,830,304,996.14/576,316.47
  6. Step 6: Final answer
    x = 443,905.94

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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.