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Finding the Fourth Proportional to 606,696.45, 909,915.42 and 180,116.64

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Solution

The fourth proportional to 606,696.45, 909,915.42 and 180,116.64 is: 270,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,696.45 : 909,915.42 = 180,116.64 : x
  2. Step 2: Convert to fraction form
    606,696.45/909,915.42 = 180,116.64/x
  3. Step 3: Cross multiply
    606,696.45x = 909,915.42 × 180,116.64
  4. Step 4: Simplify right side
    606,696.45x = 163,890,908,134.59
  5. Step 5: Solve for x
    x = 163,890,908,134.59/606,696.45
  6. Step 6: Final answer
    x = 270,136.59

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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.