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Finding the Fourth Proportional to 355,192.53, 490,199.46 and 194,071.77

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Solution

The fourth proportional to 355,192.53, 490,199.46 and 194,071.77 is: 267,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,192.53 : 490,199.46 = 194,071.77 : x
  2. Step 2: Convert to fraction form
    355,192.53/490,199.46 = 194,071.77/x
  3. Step 3: Cross multiply
    355,192.53x = 490,199.46 × 194,071.77
  4. Step 4: Simplify right side
    355,192.53x = 95,133,876,855.24
  5. Step 5: Solve for x
    x = 95,133,876,855.24/355,192.53
  6. Step 6: Final answer
    x = 267,837.49

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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.