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Finding the Fourth Proportional to 356,445.44, 535,504.32 and 336,269.96

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Solution

The fourth proportional to 356,445.44, 535,504.32 and 336,269.96 is: 505,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,445.44 : 535,504.32 = 336,269.96 : x
  2. Step 2: Convert to fraction form
    356,445.44/535,504.32 = 336,269.96/x
  3. Step 3: Cross multiply
    356,445.44x = 535,504.32 × 336,269.96
  4. Step 4: Simplify right side
    356,445.44x = 180,074,016,266.23
  5. Step 5: Solve for x
    x = 180,074,016,266.23/356,445.44
  6. Step 6: Final answer
    x = 505,193.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.