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Finding the Fourth Proportional to 536,666.50, 805,144.94 and 181,680.56

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Solution

The fourth proportional to 536,666.50, 805,144.94 and 181,680.56 is: 272,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,666.50 : 805,144.94 = 181,680.56 : x
  2. Step 2: Convert to fraction form
    536,666.50/805,144.94 = 181,680.56/x
  3. Step 3: Cross multiply
    536,666.50x = 805,144.94 × 181,680.56
  4. Step 4: Simplify right side
    536,666.50x = 146,279,183,580.37
  5. Step 5: Solve for x
    x = 146,279,183,580.37/536,666.50
  6. Step 6: Final answer
    x = 272,569.99

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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.