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Finding the Fourth Proportional to 339,306.47, 468,222.22 and 186,314.89

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Solution

The fourth proportional to 339,306.47, 468,222.22 and 186,314.89 is: 257,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,306.47 : 468,222.22 = 186,314.89 : x
  2. Step 2: Convert to fraction form
    339,306.47/468,222.22 = 186,314.89/x
  3. Step 3: Cross multiply
    339,306.47x = 468,222.22 × 186,314.89
  4. Step 4: Simplify right side
    339,306.47x = 87,236,771,414.86
  5. Step 5: Solve for x
    x = 87,236,771,414.86/339,306.47
  6. Step 6: Final answer
    x = 257,103.18

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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.