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Finding the Fourth Proportional to 277,062.96, 415,492.38 and 99,522.30

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Solution

The fourth proportional to 277,062.96, 415,492.38 and 99,522.30 is: 149,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,062.96 : 415,492.38 = 99,522.30 : x
  2. Step 2: Convert to fraction form
    277,062.96/415,492.38 = 99,522.30/x
  3. Step 3: Cross multiply
    277,062.96x = 415,492.38 × 99,522.30
  4. Step 4: Simplify right side
    277,062.96x = 41,350,757,290.07
  5. Step 5: Solve for x
    x = 41,350,757,290.07/277,062.96
  6. Step 6: Final answer
    x = 149,246.79

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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.