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Finding the Fourth Proportional to 604,509.60, 905,986.80 and 367,600.80

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Solution

The fourth proportional to 604,509.60, 905,986.80 and 367,600.80 is: 550,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,509.60 : 905,986.80 = 367,600.80 : x
  2. Step 2: Convert to fraction form
    604,509.60/905,986.80 = 367,600.80/x
  3. Step 3: Cross multiply
    604,509.60x = 905,986.80 × 367,600.80
  4. Step 4: Simplify right side
    604,509.60x = 333,041,472,469.44
  5. Step 5: Solve for x
    x = 333,041,472,469.44/604,509.60
  6. Step 6: Final answer
    x = 550,928.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.