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Finding the Fourth Proportional to 468,444, 702,685.44 and 136,020

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Solution

The fourth proportional to 468,444, 702,685.44 and 136,020 is: 204,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,444 : 702,685.44 = 136,020 : x
  2. Step 2: Convert to fraction form
    468,444/702,685.44 = 136,020/x
  3. Step 3: Cross multiply
    468,444x = 702,685.44 × 136,020
  4. Step 4: Simplify right side
    468,444x = 95,579,273,548.80
  5. Step 5: Solve for x
    x = 95,579,273,548.80/468,444
  6. Step 6: Final answer
    x = 204,035.64

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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.