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Finding the Fourth Proportional to 656,384.60, 984,285.30 and 256,892.60

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Solution

The fourth proportional to 656,384.60, 984,285.30 and 256,892.60 is: 385,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,384.60 : 984,285.30 = 256,892.60 : x
  2. Step 2: Convert to fraction form
    656,384.60/984,285.30 = 256,892.60/x
  3. Step 3: Cross multiply
    656,384.60x = 984,285.30 × 256,892.60
  4. Step 4: Simplify right side
    656,384.60x = 252,855,609,858.78
  5. Step 5: Solve for x
    x = 252,855,609,858.78/656,384.60
  6. Step 6: Final answer
    x = 385,224.78

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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.