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Finding the Fourth Proportional to 481,483.60, 722,223.63 and 144,522.79

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Solution

The fourth proportional to 481,483.60, 722,223.63 and 144,522.79 is: 216,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,483.60 : 722,223.63 = 144,522.79 : x
  2. Step 2: Convert to fraction form
    481,483.60/722,223.63 = 144,522.79/x
  3. Step 3: Cross multiply
    481,483.60x = 722,223.63 × 144,522.79
  4. Step 4: Simplify right side
    481,483.60x = 104,377,772,205.97
  5. Step 5: Solve for x
    x = 104,377,772,205.97/481,483.60
  6. Step 6: Final answer
    x = 216,783.65

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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.