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Finding the Fourth Proportional to 481,459.31, 664,405.71 and 266,594.76

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Solution

The fourth proportional to 481,459.31, 664,405.71 and 266,594.76 is: 367,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,459.31 : 664,405.71 = 266,594.76 : x
  2. Step 2: Convert to fraction form
    481,459.31/664,405.71 = 266,594.76/x
  3. Step 3: Cross multiply
    481,459.31x = 664,405.71 × 266,594.76
  4. Step 4: Simplify right side
    481,459.31x = 177,127,080,133.59
  5. Step 5: Solve for x
    x = 177,127,080,133.59/481,459.31
  6. Step 6: Final answer
    x = 367,896.26

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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.