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Finding the Fourth Proportional to 365,034.80, 503,742.70 and 203,892.12

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Solution

The fourth proportional to 365,034.80, 503,742.70 and 203,892.12 is: 281,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,034.80 : 503,742.70 = 203,892.12 : x
  2. Step 2: Convert to fraction form
    365,034.80/503,742.70 = 203,892.12/x
  3. Step 3: Cross multiply
    365,034.80x = 503,742.70 × 203,892.12
  4. Step 4: Simplify right side
    365,034.80x = 102,709,167,037.52
  5. Step 5: Solve for x
    x = 102,709,167,037.52/365,034.80
  6. Step 6: Final answer
    x = 281,368.15

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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.