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Finding the Fourth Proportional to 481,392.96, 664,343.05 and 266,533.03

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Solution

The fourth proportional to 481,392.96, 664,343.05 and 266,533.03 is: 367,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,392.96 : 664,343.05 = 266,533.03 : x
  2. Step 2: Convert to fraction form
    481,392.96/664,343.05 = 266,533.03/x
  3. Step 3: Cross multiply
    481,392.96x = 664,343.05 × 266,533.03
  4. Step 4: Simplify right side
    481,392.96x = 177,069,366,075.94
  5. Step 5: Solve for x
    x = 177,069,366,075.94/481,392.96
  6. Step 6: Final answer
    x = 367,827.08

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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.