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Finding the Fourth Proportional to 496,464.40, 744,725.40 and 141,504.40

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Solution

The fourth proportional to 496,464.40, 744,725.40 and 141,504.40 is: 212,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,464.40 : 744,725.40 = 141,504.40 : x
  2. Step 2: Convert to fraction form
    496,464.40/744,725.40 = 141,504.40/x
  3. Step 3: Cross multiply
    496,464.40x = 744,725.40 × 141,504.40
  4. Step 4: Simplify right side
    496,464.40x = 105,381,920,891.76
  5. Step 5: Solve for x
    x = 105,381,920,891.76/496,464.40
  6. Step 6: Final answer
    x = 212,264.81

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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.