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Finding the Fourth Proportional to 488,219.40, 732,261.60 and 151,491.60

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Solution

The fourth proportional to 488,219.40, 732,261.60 and 151,491.60 is: 227,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,219.40 : 732,261.60 = 151,491.60 : x
  2. Step 2: Convert to fraction form
    488,219.40/732,261.60 = 151,491.60/x
  3. Step 3: Cross multiply
    488,219.40x = 732,261.60 × 151,491.60
  4. Step 4: Simplify right side
    488,219.40x = 110,931,481,402.56
  5. Step 5: Solve for x
    x = 110,931,481,402.56/488,219.40
  6. Step 6: Final answer
    x = 227,216.46

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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.