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Finding the Fourth Proportional to 364,842.72, 503,495.19 and 203,699.70

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Solution

The fourth proportional to 364,842.72, 503,495.19 and 203,699.70 is: 281,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,842.72 : 503,495.19 = 203,699.70 : x
  2. Step 2: Convert to fraction form
    364,842.72/503,495.19 = 203,699.70/x
  3. Step 3: Cross multiply
    364,842.72x = 503,495.19 × 203,699.70
  4. Step 4: Simplify right side
    364,842.72x = 102,561,819,154.44
  5. Step 5: Solve for x
    x = 102,561,819,154.44/364,842.72
  6. Step 6: Final answer
    x = 281,112.42

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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.