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Finding the Fourth Proportional to 481,427.01, 722,210.94 and 144,494.31

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Solution

The fourth proportional to 481,427.01, 722,210.94 and 144,494.31 is: 216,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,427.01 : 722,210.94 = 144,494.31 : x
  2. Step 2: Convert to fraction form
    481,427.01/722,210.94 = 144,494.31/x
  3. Step 3: Cross multiply
    481,427.01x = 722,210.94 × 144,494.31
  4. Step 4: Simplify right side
    481,427.01x = 104,355,371,449.75
  5. Step 5: Solve for x
    x = 104,355,371,449.75/481,427.01
  6. Step 6: Final answer
    x = 216,762.60

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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.