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Finding the Fourth Proportional to 374,733.54, 517,119.18 and 213,640.46

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Solution

The fourth proportional to 374,733.54, 517,119.18 and 213,640.46 is: 294,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,733.54 : 517,119.18 = 213,640.46 : x
  2. Step 2: Convert to fraction form
    374,733.54/517,119.18 = 213,640.46/x
  3. Step 3: Cross multiply
    374,733.54x = 517,119.18 × 213,640.46
  4. Step 4: Simplify right side
    374,733.54x = 110,477,579,490.02
  5. Step 5: Solve for x
    x = 110,477,579,490.02/374,733.54
  6. Step 6: Final answer
    x = 294,816.36

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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.