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Finding the Fourth Proportional to 481,433.51, 722,045.70 and 144,383.66

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Solution

The fourth proportional to 481,433.51, 722,045.70 and 144,383.66 is: 216,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,433.51 : 722,045.70 = 144,383.66 : x
  2. Step 2: Convert to fraction form
    481,433.51/722,045.70 = 144,383.66/x
  3. Step 3: Cross multiply
    481,433.51x = 722,045.70 × 144,383.66
  4. Step 4: Simplify right side
    481,433.51x = 104,251,600,853.26
  5. Step 5: Solve for x
    x = 104,251,600,853.26/481,433.51
  6. Step 6: Final answer
    x = 216,544.13

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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.