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Finding the Fourth Proportional to 351,533.63, 485,114 and 190,385

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Solution

The fourth proportional to 351,533.63, 485,114 and 190,385 is: 262,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,533.63 : 485,114 = 190,385 : x
  2. Step 2: Convert to fraction form
    351,533.63/485,114 = 190,385/x
  3. Step 3: Cross multiply
    351,533.63x = 485,114 × 190,385
  4. Step 4: Simplify right side
    351,533.63x = 92,358,428,890
  5. Step 5: Solve for x
    x = 92,358,428,890/351,533.63
  6. Step 6: Final answer
    x = 262,730.00

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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.