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Finding the Fourth Proportional to 536,666.38, 805,144.76 and 181,680.43

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Solution

The fourth proportional to 536,666.38, 805,144.76 and 181,680.43 is: 272,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,666.38 : 805,144.76 = 181,680.43 : x
  2. Step 2: Convert to fraction form
    536,666.38/805,144.76 = 181,680.43/x
  3. Step 3: Cross multiply
    536,666.38x = 805,144.76 × 181,680.43
  4. Step 4: Simplify right side
    536,666.38x = 146,279,045,300.65
  5. Step 5: Solve for x
    x = 146,279,045,300.65/536,666.38
  6. Step 6: Final answer
    x = 272,569.80

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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.