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Finding the Fourth Proportional to 627,549.93, 866,013.73 and 341,071.76

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Solution

The fourth proportional to 627,549.93, 866,013.73 and 341,071.76 is: 470,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,549.93 : 866,013.73 = 341,071.76 : x
  2. Step 2: Convert to fraction form
    627,549.93/866,013.73 = 341,071.76/x
  3. Step 3: Cross multiply
    627,549.93x = 866,013.73 × 341,071.76
  4. Step 4: Simplify right side
    627,549.93x = 295,372,828,387.62
  5. Step 5: Solve for x
    x = 295,372,828,387.62/627,549.93
  6. Step 6: Final answer
    x = 470,676.22

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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.