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Finding the Fourth Proportional to 605,890.15, 836,123.78 and 333,958.57

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Solution

The fourth proportional to 605,890.15, 836,123.78 and 333,958.57 is: 460,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,890.15 : 836,123.78 = 333,958.57 : x
  2. Step 2: Convert to fraction form
    605,890.15/836,123.78 = 333,958.57/x
  3. Step 3: Cross multiply
    605,890.15x = 836,123.78 × 333,958.57
  4. Step 4: Simplify right side
    605,890.15x = 279,230,700,656.38
  5. Step 5: Solve for x
    x = 279,230,700,656.38/605,890.15
  6. Step 6: Final answer
    x = 460,860.28

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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.