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Finding the Fourth Proportional to 439,564.68, 659,360.46 and 151,373.22

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Solution

The fourth proportional to 439,564.68, 659,360.46 and 151,373.22 is: 227,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,564.68 : 659,360.46 = 151,373.22 : x
  2. Step 2: Convert to fraction form
    439,564.68/659,360.46 = 151,373.22/x
  3. Step 3: Cross multiply
    439,564.68x = 659,360.46 × 151,373.22
  4. Step 4: Simplify right side
    439,564.68x = 99,809,515,970.88
  5. Step 5: Solve for x
    x = 99,809,515,970.88/439,564.68
  6. Step 6: Final answer
    x = 227,064.46

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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.