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Finding the Fourth Proportional to 424,868.56, 586,326 and 243,610

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Solution

The fourth proportional to 424,868.56, 586,326 and 243,610 is: 336,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,868.56 : 586,326 = 243,610 : x
  2. Step 2: Convert to fraction form
    424,868.56/586,326 = 243,610/x
  3. Step 3: Cross multiply
    424,868.56x = 586,326 × 243,610
  4. Step 4: Simplify right side
    424,868.56x = 142,834,876,860
  5. Step 5: Solve for x
    x = 142,834,876,860/424,868.56
  6. Step 6: Final answer
    x = 336,186.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.