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Finding the Fourth Proportional to 371,224.89, 512,025.57 and 340,696.35

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Solution

The fourth proportional to 371,224.89, 512,025.57 and 340,696.35 is: 469,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,224.89 : 512,025.57 = 340,696.35 : x
  2. Step 2: Convert to fraction form
    371,224.89/512,025.57 = 340,696.35/x
  3. Step 3: Cross multiply
    371,224.89x = 512,025.57 × 340,696.35
  4. Step 4: Simplify right side
    371,224.89x = 174,445,242,805.67
  5. Step 5: Solve for x
    x = 174,445,242,805.67/371,224.89
  6. Step 6: Final answer
    x = 469,917.96

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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.