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Finding the Fourth Proportional to 566,771.76, 782,119.80 and 324,880.92

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Solution

The fourth proportional to 566,771.76, 782,119.80 and 324,880.92 is: 448,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,771.76 : 782,119.80 = 324,880.92 : x
  2. Step 2: Convert to fraction form
    566,771.76/782,119.80 = 324,880.92/x
  3. Step 3: Cross multiply
    566,771.76x = 782,119.80 × 324,880.92
  4. Step 4: Simplify right side
    566,771.76x = 254,095,800,174.22
  5. Step 5: Solve for x
    x = 254,095,800,174.22/566,771.76
  6. Step 6: Final answer
    x = 448,321.21

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Double scale
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Similar ratio
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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.