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Finding the Fourth Proportional to 481,416.66, 664,301.34 and 266,502.90

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Solution

The fourth proportional to 481,416.66, 664,301.34 and 266,502.90 is: 367,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,416.66 : 664,301.34 = 266,502.90 : x
  2. Step 2: Convert to fraction form
    481,416.66/664,301.34 = 266,502.90/x
  3. Step 3: Cross multiply
    481,416.66x = 664,301.34 × 266,502.90
  4. Step 4: Simplify right side
    481,416.66x = 177,038,233,583.89
  5. Step 5: Solve for x
    x = 177,038,233,583.89/481,416.66
  6. Step 6: Final answer
    x = 367,744.30

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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.