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Finding the Fourth Proportional to 277,611.71, 383,104.08 and 150,287.20

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Solution

The fourth proportional to 277,611.71, 383,104.08 and 150,287.20 is: 207,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,611.71 : 383,104.08 = 150,287.20 : x
  2. Step 2: Convert to fraction form
    277,611.71/383,104.08 = 150,287.20/x
  3. Step 3: Cross multiply
    277,611.71x = 383,104.08 × 150,287.20
  4. Step 4: Simplify right side
    277,611.71x = 57,575,638,534.02
  5. Step 5: Solve for x
    x = 57,575,638,534.02/277,611.71
  6. Step 6: Final answer
    x = 207,396.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.