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Finding the Fourth Proportional to 351,017.73, 526,592.36 and 140,672.07

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Solution

The fourth proportional to 351,017.73, 526,592.36 and 140,672.07 is: 211,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,017.73 : 526,592.36 = 140,672.07 : x
  2. Step 2: Convert to fraction form
    351,017.73/526,592.36 = 140,672.07/x
  3. Step 3: Cross multiply
    351,017.73x = 526,592.36 × 140,672.07
  4. Step 4: Simplify right side
    351,017.73x = 74,076,836,887.79
  5. Step 5: Solve for x
    x = 74,076,836,887.79/351,017.73
  6. Step 6: Final answer
    x = 211,034.46

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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.