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Finding the Fourth Proportional to 536,265.36, 804,397.50 and 136,906.20

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Solution

The fourth proportional to 536,265.36, 804,397.50 and 136,906.20 is: 205,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,265.36 : 804,397.50 = 136,906.20 : x
  2. Step 2: Convert to fraction form
    536,265.36/804,397.50 = 136,906.20/x
  3. Step 3: Cross multiply
    536,265.36x = 804,397.50 × 136,906.20
  4. Step 4: Simplify right side
    536,265.36x = 110,127,005,014.50
  5. Step 5: Solve for x
    x = 110,127,005,014.50/536,265.36
  6. Step 6: Final answer
    x = 205,359.16

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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.