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Finding the Fourth Proportional to 594,378.67, 820,242.55 and 339,735.33

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Solution

The fourth proportional to 594,378.67, 820,242.55 and 339,735.33 is: 468,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,378.67 : 820,242.55 = 339,735.33 : x
  2. Step 2: Convert to fraction form
    594,378.67/820,242.55 = 339,735.33/x
  3. Step 3: Cross multiply
    594,378.67x = 820,242.55 × 339,735.33
  4. Step 4: Simplify right side
    594,378.67x = 278,665,373,404.29
  5. Step 5: Solve for x
    x = 278,665,373,404.29/594,378.67
  6. Step 6: Final answer
    x = 468,834.75

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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.