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Finding the Fourth Proportional to 481,213, 664,004.44 and 266,352.55

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Solution

The fourth proportional to 481,213, 664,004.44 and 266,352.55 is: 367,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,213 : 664,004.44 = 266,352.55 : x
  2. Step 2: Convert to fraction form
    481,213/664,004.44 = 266,352.55/x
  3. Step 3: Cross multiply
    481,213x = 664,004.44 × 266,352.55
  4. Step 4: Simplify right side
    481,213x = 176,859,275,805.32
  5. Step 5: Solve for x
    x = 176,859,275,805.32/481,213
  6. Step 6: Final answer
    x = 367,528.05

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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.