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Finding the Fourth Proportional to 536,342.98, 804,513.66 and 136,983.64

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Solution

The fourth proportional to 536,342.98, 804,513.66 and 136,983.64 is: 205,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,342.98 : 804,513.66 = 136,983.64 : x
  2. Step 2: Convert to fraction form
    536,342.98/804,513.66 = 136,983.64/x
  3. Step 3: Cross multiply
    536,342.98x = 804,513.66 × 136,983.64
  4. Step 4: Simplify right side
    536,342.98x = 110,205,209,576.52
  5. Step 5: Solve for x
    x = 110,205,209,576.52/536,342.98
  6. Step 6: Final answer
    x = 205,475.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.