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Finding the Fourth Proportional to 496,352.30, 744,528.45 and 141,361.70

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Solution

The fourth proportional to 496,352.30, 744,528.45 and 141,361.70 is: 212,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,352.30 : 744,528.45 = 141,361.70 : x
  2. Step 2: Convert to fraction form
    496,352.30/744,528.45 = 141,361.70/x
  3. Step 3: Cross multiply
    496,352.30x = 744,528.45 × 141,361.70
  4. Step 4: Simplify right side
    496,352.30x = 105,247,807,390.37
  5. Step 5: Solve for x
    x = 105,247,807,390.37/496,352.30
  6. Step 6: Final answer
    x = 212,042.55

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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.