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Finding the Fourth Proportional to 481,435.70, 664,373.49 and 266,575.10

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Solution

The fourth proportional to 481,435.70, 664,373.49 and 266,575.10 is: 367,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,435.70 : 664,373.49 = 266,575.10 : x
  2. Step 2: Convert to fraction form
    481,435.70/664,373.49 = 266,575.10/x
  3. Step 3: Cross multiply
    481,435.70x = 664,373.49 × 266,575.10
  4. Step 4: Simplify right side
    481,435.70x = 177,105,429,534.10
  5. Step 5: Solve for x
    x = 177,105,429,534.10/481,435.70
  6. Step 6: Final answer
    x = 367,869.33

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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.