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Finding the Fourth Proportional to 262,384.80, 393,674.40 and 252,664.80

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Solution

The fourth proportional to 262,384.80, 393,674.40 and 252,664.80 is: 379,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,384.80 : 393,674.40 = 252,664.80 : x
  2. Step 2: Convert to fraction form
    262,384.80/393,674.40 = 252,664.80/x
  3. Step 3: Cross multiply
    262,384.80x = 393,674.40 × 252,664.80
  4. Step 4: Simplify right side
    262,384.80x = 99,467,663,541.12
  5. Step 5: Solve for x
    x = 99,467,663,541.12/262,384.80
  6. Step 6: Final answer
    x = 379,090.80

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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.