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Finding the Fourth Proportional to 455,130.33, 682,806.61 and 151,523.90

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Solution

The fourth proportional to 455,130.33, 682,806.61 and 151,523.90 is: 227,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,130.33 : 682,806.61 = 151,523.90 : x
  2. Step 2: Convert to fraction form
    455,130.33/682,806.61 = 151,523.90/x
  3. Step 3: Cross multiply
    455,130.33x = 682,806.61 × 151,523.90
  4. Step 4: Simplify right side
    455,130.33x = 103,461,519,828.88
  5. Step 5: Solve for x
    x = 103,461,519,828.88/455,130.33
  6. Step 6: Final answer
    x = 227,322.84

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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.