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Finding the Fourth Proportional to 481,499.22, 722,247.16 and 144,538.51

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Solution

The fourth proportional to 481,499.22, 722,247.16 and 144,538.51 is: 216,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,499.22 : 722,247.16 = 144,538.51 : x
  2. Step 2: Convert to fraction form
    481,499.22/722,247.16 = 144,538.51/x
  3. Step 3: Cross multiply
    481,499.22x = 722,247.16 × 144,538.51
  4. Step 4: Simplify right side
    481,499.22x = 104,392,527,996.79
  5. Step 5: Solve for x
    x = 104,392,527,996.79/481,499.22
  6. Step 6: Final answer
    x = 216,807.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.