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Finding the Fourth Proportional to 481,286.85, 722,094.35 and 144,335.76

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Solution

The fourth proportional to 481,286.85, 722,094.35 and 144,335.76 is: 216,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,286.85 : 722,094.35 = 144,335.76 : x
  2. Step 2: Convert to fraction form
    481,286.85/722,094.35 = 144,335.76/x
  3. Step 3: Cross multiply
    481,286.85x = 722,094.35 × 144,335.76
  4. Step 4: Simplify right side
    481,286.85x = 104,224,036,077.28
  5. Step 5: Solve for x
    x = 104,224,036,077.28/481,286.85
  6. Step 6: Final answer
    x = 216,552.84

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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.