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Finding the Fourth Proportional to 343,683.77, 515,373.41 and 183,720.95

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Solution

The fourth proportional to 343,683.77, 515,373.41 and 183,720.95 is: 275,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,683.77 : 515,373.41 = 183,720.95 : x
  2. Step 2: Convert to fraction form
    343,683.77/515,373.41 = 183,720.95/x
  3. Step 3: Cross multiply
    343,683.77x = 515,373.41 × 183,720.95
  4. Step 4: Simplify right side
    343,683.77x = 94,684,892,489.94
  5. Step 5: Solve for x
    x = 94,684,892,489.94/343,683.77
  6. Step 6: Final answer
    x = 275,500.04

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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.