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Finding the Fourth Proportional to 479,706.91, 719,429.01 and 180,164.32

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Solution

The fourth proportional to 479,706.91, 719,429.01 and 180,164.32 is: 270,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,706.91 : 719,429.01 = 180,164.32 : x
  2. Step 2: Convert to fraction form
    479,706.91/719,429.01 = 180,164.32/x
  3. Step 3: Cross multiply
    479,706.91x = 719,429.01 × 180,164.32
  4. Step 4: Simplify right side
    479,706.91x = 129,615,438,374.92
  5. Step 5: Solve for x
    x = 129,615,438,374.92/479,706.91
  6. Step 6: Final answer
    x = 270,197.15

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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.