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Finding the Fourth Proportional to 605,685.25, 835,862.93 and 337,430.53

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Solution

The fourth proportional to 605,685.25, 835,862.93 and 337,430.53 is: 465,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,685.25 : 835,862.93 = 337,430.53 : x
  2. Step 2: Convert to fraction form
    605,685.25/835,862.93 = 337,430.53/x
  3. Step 3: Cross multiply
    605,685.25x = 835,862.93 × 337,430.53
  4. Step 4: Simplify right side
    605,685.25x = 282,045,671,477.25
  5. Step 5: Solve for x
    x = 282,045,671,477.25/605,685.25
  6. Step 6: Final answer
    x = 465,663.76

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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.