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Finding the Fourth Proportional to 277,274.08, 415,911.12 and 66,912.04

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Solution

The fourth proportional to 277,274.08, 415,911.12 and 66,912.04 is: 100,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,274.08 : 415,911.12 = 66,912.04 : x
  2. Step 2: Convert to fraction form
    277,274.08/415,911.12 = 66,912.04/x
  3. Step 3: Cross multiply
    277,274.08x = 415,911.12 × 66,912.04
  4. Step 4: Simplify right side
    277,274.08x = 27,829,461,497.88
  5. Step 5: Solve for x
    x = 27,829,461,497.88/277,274.08
  6. Step 6: Final answer
    x = 100,368.06

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1.5x scale

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.