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Finding the Fourth Proportional to 536,667.50, 805,146.44 and 181,681.56

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Solution

The fourth proportional to 536,667.50, 805,146.44 and 181,681.56 is: 272,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,667.50 : 805,146.44 = 181,681.56 : x
  2. Step 2: Convert to fraction form
    536,667.50/805,146.44 = 181,681.56/x
  3. Step 3: Cross multiply
    536,667.50x = 805,146.44 × 181,681.56
  4. Step 4: Simplify right side
    536,667.50x = 146,280,261,247.65
  5. Step 5: Solve for x
    x = 146,280,261,247.65/536,667.50
  6. Step 6: Final answer
    x = 272,571.49

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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.