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Finding the Fourth Proportional to 365,039.28, 503,748.90 and 203,896.62

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Solution

The fourth proportional to 365,039.28, 503,748.90 and 203,896.62 is: 281,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,039.28 : 503,748.90 = 203,896.62 : x
  2. Step 2: Convert to fraction form
    365,039.28/503,748.90 = 203,896.62/x
  3. Step 3: Cross multiply
    365,039.28x = 503,748.90 × 203,896.62
  4. Step 4: Simplify right side
    365,039.28x = 102,712,698,038.72
  5. Step 5: Solve for x
    x = 102,712,698,038.72/365,039.28
  6. Step 6: Final answer
    x = 281,374.37

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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.