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Finding the Fourth Proportional to 351,475.52, 485,036.10 and 190,330.53

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Solution

The fourth proportional to 351,475.52, 485,036.10 and 190,330.53 is: 262,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.52 : 485,036.10 = 190,330.53 : x
  2. Step 2: Convert to fraction form
    351,475.52/485,036.10 = 190,330.53/x
  3. Step 3: Cross multiply
    351,475.52x = 485,036.10 × 190,330.53
  4. Step 4: Simplify right side
    351,475.52x = 92,317,176,163.25
  5. Step 5: Solve for x
    x = 92,317,176,163.25/351,475.52
  6. Step 6: Final answer
    x = 262,656.06

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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.