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Finding the Fourth Proportional to 536,502.49, 804,750.54 and 137,142.62

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Solution

The fourth proportional to 536,502.49, 804,750.54 and 137,142.62 is: 205,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,502.49 : 804,750.54 = 137,142.62 : x
  2. Step 2: Convert to fraction form
    536,502.49/804,750.54 = 137,142.62/x
  3. Step 3: Cross multiply
    536,502.49x = 804,750.54 × 137,142.62
  4. Step 4: Simplify right side
    536,502.49x = 110,365,596,753.22
  5. Step 5: Solve for x
    x = 110,365,596,753.22/536,502.49
  6. Step 6: Final answer
    x = 205,713.11

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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.