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Finding the Fourth Proportional to 339,306.41, 468,424.62 and 261,612.35

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Solution

The fourth proportional to 339,306.41, 468,424.62 and 261,612.35 is: 361,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,306.41 : 468,424.62 = 261,612.35 : x
  2. Step 2: Convert to fraction form
    339,306.41/468,424.62 = 261,612.35/x
  3. Step 3: Cross multiply
    339,306.41x = 468,424.62 × 261,612.35
  4. Step 4: Simplify right side
    339,306.41x = 122,545,665,636.06
  5. Step 5: Solve for x
    x = 122,545,665,636.06/339,306.41
  6. Step 6: Final answer
    x = 361,165.19

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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.