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Finding the Fourth Proportional to 481,403.50, 664,357.58 and 266,543.56

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Solution

The fourth proportional to 481,403.50, 664,357.58 and 266,543.56 is: 367,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,403.50 : 664,357.58 = 266,543.56 : x
  2. Step 2: Convert to fraction form
    481,403.50/664,357.58 = 266,543.56/x
  3. Step 3: Cross multiply
    481,403.50x = 664,357.58 × 266,543.56
  4. Step 4: Simplify right side
    481,403.50x = 177,080,234,486.19
  5. Step 5: Solve for x
    x = 177,080,234,486.19/481,403.50
  6. Step 6: Final answer
    x = 367,841.60

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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.