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Finding the Fourth Proportional to 559,720.05, 839,663.10 and 180,516.12

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Solution

The fourth proportional to 559,720.05, 839,663.10 and 180,516.12 is: 270,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,720.05 : 839,663.10 = 180,516.12 : x
  2. Step 2: Convert to fraction form
    559,720.05/839,663.10 = 180,516.12/x
  3. Step 3: Cross multiply
    559,720.05x = 839,663.10 × 180,516.12
  4. Step 4: Simplify right side
    559,720.05x = 151,572,724,919.17
  5. Step 5: Solve for x
    x = 151,572,724,919.17/559,720.05
  6. Step 6: Final answer
    x = 270,800.96

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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.