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Finding the Fourth Proportional to 536,679.45, 805,121.23 and 181,598.13

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Solution

The fourth proportional to 536,679.45, 805,121.23 and 181,598.13 is: 272,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,679.45 : 805,121.23 = 181,598.13 : x
  2. Step 2: Convert to fraction form
    536,679.45/805,121.23 = 181,598.13/x
  3. Step 3: Cross multiply
    536,679.45x = 805,121.23 × 181,598.13
  4. Step 4: Simplify right side
    536,679.45x = 146,208,505,765.69
  5. Step 5: Solve for x
    x = 146,208,505,765.69/536,679.45
  6. Step 6: Final answer
    x = 272,431.72

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1.5x scale

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.