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Finding the Fourth Proportional to 437,744.73, 603,948.75 and 345,571.80

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Solution

The fourth proportional to 437,744.73, 603,948.75 and 345,571.80 is: 476,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,744.73 : 603,948.75 = 345,571.80 : x
  2. Step 2: Convert to fraction form
    437,744.73/603,948.75 = 345,571.80/x
  3. Step 3: Cross multiply
    437,744.73x = 603,948.75 × 345,571.80
  4. Step 4: Simplify right side
    437,744.73x = 208,707,656,645.25
  5. Step 5: Solve for x
    x = 208,707,656,645.25/437,744.73
  6. Step 6: Final answer
    x = 476,779.37

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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.