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Finding the Fourth Proportional to 365,085.64, 503,956.74 and 274,704.34

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Solution

The fourth proportional to 365,085.64, 503,956.74 and 274,704.34 is: 379,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,085.64 : 503,956.74 = 274,704.34 : x
  2. Step 2: Convert to fraction form
    365,085.64/503,956.74 = 274,704.34/x
  3. Step 3: Cross multiply
    365,085.64x = 503,956.74 × 274,704.34
  4. Step 4: Simplify right side
    365,085.64x = 138,439,103,650.25
  5. Step 5: Solve for x
    x = 138,439,103,650.25/365,085.64
  6. Step 6: Final answer
    x = 379,196.24

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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.