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Finding the Fourth Proportional to 605,461.50, 835,562.79 and 337,189.50

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Solution

The fourth proportional to 605,461.50, 835,562.79 and 337,189.50 is: 465,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,461.50 : 835,562.79 = 337,189.50 : x
  2. Step 2: Convert to fraction form
    605,461.50/835,562.79 = 337,189.50/x
  3. Step 3: Cross multiply
    605,461.50x = 835,562.79 × 337,189.50
  4. Step 4: Simplify right side
    605,461.50x = 281,742,999,378.71
  5. Step 5: Solve for x
    x = 281,742,999,378.71/605,461.50
  6. Step 6: Final answer
    x = 465,335.95

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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.