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Finding the Fourth Proportional to 481,770.25, 664,816.70 and 266,897.50

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Solution

The fourth proportional to 481,770.25, 664,816.70 and 266,897.50 is: 368,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,770.25 : 664,816.70 = 266,897.50 : x
  2. Step 2: Convert to fraction form
    481,770.25/664,816.70 = 266,897.50/x
  3. Step 3: Cross multiply
    481,770.25x = 664,816.70 × 266,897.50
  4. Step 4: Simplify right side
    481,770.25x = 177,437,914,193.45
  5. Step 5: Solve for x
    x = 177,437,914,193.45/481,770.25
  6. Step 6: Final answer
    x = 368,304.01

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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.