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Finding the Fourth Proportional to 656,270.60, 984,114.30 and 256,778.60

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Solution

The fourth proportional to 656,270.60, 984,114.30 and 256,778.60 is: 385,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,270.60 : 984,114.30 = 256,778.60 : x
  2. Step 2: Convert to fraction form
    656,270.60/984,114.30 = 256,778.60/x
  3. Step 3: Cross multiply
    656,270.60x = 984,114.30 × 256,778.60
  4. Step 4: Simplify right side
    656,270.60x = 252,699,492,193.98
  5. Step 5: Solve for x
    x = 252,699,492,193.98/656,270.60
  6. Step 6: Final answer
    x = 385,053.81

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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.