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Finding the Fourth Proportional to 425,289.52, 586,092 and 304,220.54

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Solution

The fourth proportional to 425,289.52, 586,092 and 304,220.54 is: 419,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,289.52 : 586,092 = 304,220.54 : x
  2. Step 2: Convert to fraction form
    425,289.52/586,092 = 304,220.54/x
  3. Step 3: Cross multiply
    425,289.52x = 586,092 × 304,220.54
  4. Step 4: Simplify right side
    425,289.52x = 178,301,224,729.68
  5. Step 5: Solve for x
    x = 178,301,224,729.68/425,289.52
  6. Step 6: Final answer
    x = 419,246.69

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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.