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Finding the Fourth Proportional to 479,345.96, 719,270.45 and 180,033.14

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Solution

The fourth proportional to 479,345.96, 719,270.45 and 180,033.14 is: 270,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,345.96 : 719,270.45 = 180,033.14 : x
  2. Step 2: Convert to fraction form
    479,345.96/719,270.45 = 180,033.14/x
  3. Step 3: Cross multiply
    479,345.96x = 719,270.45 × 180,033.14
  4. Step 4: Simplify right side
    479,345.96x = 129,492,519,195.85
  5. Step 5: Solve for x
    x = 129,492,519,195.85/479,345.96
  6. Step 6: Final answer
    x = 270,144.17

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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.