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Finding the Fourth Proportional to 336,478.73, 504,813.46 and 136,942.32

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Solution

The fourth proportional to 336,478.73, 504,813.46 and 136,942.32 is: 205,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,478.73 : 504,813.46 = 136,942.32 : x
  2. Step 2: Convert to fraction form
    336,478.73/504,813.46 = 136,942.32/x
  3. Step 3: Cross multiply
    336,478.73x = 504,813.46 × 136,942.32
  4. Step 4: Simplify right side
    336,478.73x = 69,130,326,379.63
  5. Step 5: Solve for x
    x = 69,130,326,379.63/336,478.73
  6. Step 6: Final answer
    x = 205,452.29

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1.5x scale

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.