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Finding the Fourth Proportional to 515,806.70, 772,703.55 and 337,773.97

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Solution

The fourth proportional to 515,806.70, 772,703.55 and 337,773.97 is: 506,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,806.70 : 772,703.55 = 337,773.97 : x
  2. Step 2: Convert to fraction form
    515,806.70/772,703.55 = 337,773.97/x
  3. Step 3: Cross multiply
    515,806.70x = 772,703.55 × 337,773.97
  4. Step 4: Simplify right side
    515,806.70x = 260,999,143,784.84
  5. Step 5: Solve for x
    x = 260,999,143,784.84/515,806.70
  6. Step 6: Final answer
    x = 506,001.85

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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.