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Finding the Fourth Proportional to 604,924.46, 906,861.78 and 305,154.80

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Solution

The fourth proportional to 604,924.46, 906,861.78 and 305,154.80 is: 457,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,924.46 : 906,861.78 = 305,154.80 : x
  2. Step 2: Convert to fraction form
    604,924.46/906,861.78 = 305,154.80/x
  3. Step 3: Cross multiply
    604,924.46x = 906,861.78 × 305,154.80
  4. Step 4: Simplify right side
    604,924.46x = 276,733,225,103.54
  5. Step 5: Solve for x
    x = 276,733,225,103.54/604,924.46
  6. Step 6: Final answer
    x = 457,467.41

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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.