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Finding the Fourth Proportional to 481,810.08, 664,903.20 and 266,953.56

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Solution

The fourth proportional to 481,810.08, 664,903.20 and 266,953.56 is: 368,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,810.08 : 664,903.20 = 266,953.56 : x
  2. Step 2: Convert to fraction form
    481,810.08/664,903.20 = 266,953.56/x
  3. Step 3: Cross multiply
    481,810.08x = 664,903.20 × 266,953.56
  4. Step 4: Simplify right side
    481,810.08x = 177,498,276,295.39
  5. Step 5: Solve for x
    x = 177,498,276,295.39/481,810.08
  6. Step 6: Final answer
    x = 368,398.84

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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.