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Finding the Fourth Proportional to 559,665.30, 839,662.02 and 180,644.52

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Solution

The fourth proportional to 559,665.30, 839,662.02 and 180,644.52 is: 271,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,665.30 : 839,662.02 = 180,644.52 : x
  2. Step 2: Convert to fraction form
    559,665.30/839,662.02 = 180,644.52/x
  3. Step 3: Cross multiply
    559,665.30x = 839,662.02 × 180,644.52
  4. Step 4: Simplify right side
    559,665.30x = 151,680,342,565.13
  5. Step 5: Solve for x
    x = 151,680,342,565.13/559,665.30
  6. Step 6: Final answer
    x = 271,019.74

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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.