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Finding the Fourth Proportional to 591,757.72, 816,624.54 and 323,485.72

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Solution

The fourth proportional to 591,757.72, 816,624.54 and 323,485.72 is: 446,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,757.72 : 816,624.54 = 323,485.72 : x
  2. Step 2: Convert to fraction form
    591,757.72/816,624.54 = 323,485.72/x
  3. Step 3: Cross multiply
    591,757.72x = 816,624.54 × 323,485.72
  4. Step 4: Simplify right side
    591,757.72x = 264,166,377,291.57
  5. Step 5: Solve for x
    x = 264,166,377,291.57/591,757.72
  6. Step 6: Final answer
    x = 446,409.68

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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.