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Finding the Fourth Proportional to 365,064.34, 503,790.54 and 203,926.18

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Solution

The fourth proportional to 365,064.34, 503,790.54 and 203,926.18 is: 281,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,064.34 : 503,790.54 = 203,926.18 : x
  2. Step 2: Convert to fraction form
    365,064.34/503,790.54 = 203,926.18/x
  3. Step 3: Cross multiply
    365,064.34x = 503,790.54 × 203,926.18
  4. Step 4: Simplify right side
    365,064.34x = 102,736,080,342.34
  5. Step 5: Solve for x
    x = 102,736,080,342.34/365,064.34
  6. Step 6: Final answer
    x = 281,419.11

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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.