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Finding the Fourth Proportional to 481,382.40, 664,332.24 and 266,546.16

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Solution

The fourth proportional to 481,382.40, 664,332.24 and 266,546.16 is: 367,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,382.40 : 664,332.24 = 266,546.16 : x
  2. Step 2: Convert to fraction form
    481,382.40/664,332.24 = 266,546.16/x
  3. Step 3: Cross multiply
    481,382.40x = 664,332.24 × 266,546.16
  4. Step 4: Simplify right side
    481,382.40x = 177,075,207,536.20
  5. Step 5: Solve for x
    x = 177,075,207,536.20/481,382.40
  6. Step 6: Final answer
    x = 367,847.28

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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.