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Finding the Fourth Proportional to 424,620.25, 585,992.08 and 243,367.16

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Solution

The fourth proportional to 424,620.25, 585,992.08 and 243,367.16 is: 335,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,620.25 : 585,992.08 = 243,367.16 : x
  2. Step 2: Convert to fraction form
    424,620.25/585,992.08 = 243,367.16/x
  3. Step 3: Cross multiply
    424,620.25x = 585,992.08 × 243,367.16
  4. Step 4: Simplify right side
    424,620.25x = 142,611,228,292.09
  5. Step 5: Solve for x
    x = 142,611,228,292.09/424,620.25
  6. Step 6: Final answer
    x = 335,855.93

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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.