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Finding the Fourth Proportional to 536,674.14, 805,156.38 and 181,688.18

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Solution

The fourth proportional to 536,674.14, 805,156.38 and 181,688.18 is: 272,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,674.14 : 805,156.38 = 181,688.18 : x
  2. Step 2: Convert to fraction form
    536,674.14/805,156.38 = 181,688.18/x
  3. Step 3: Cross multiply
    536,674.14x = 805,156.38 × 181,688.18
  4. Step 4: Simplify right side
    536,674.14x = 146,287,397,297.59
  5. Step 5: Solve for x
    x = 146,287,397,297.59/536,674.14
  6. Step 6: Final answer
    x = 272,581.42

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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.