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Finding the Fourth Proportional to 496,690.68, 745,063.56 and 141,677.40

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Solution

The fourth proportional to 496,690.68, 745,063.56 and 141,677.40 is: 212,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,690.68 : 745,063.56 = 141,677.40 : x
  2. Step 2: Convert to fraction form
    496,690.68/745,063.56 = 141,677.40/x
  3. Step 3: Cross multiply
    496,690.68x = 745,063.56 × 141,677.40
  4. Step 4: Simplify right side
    496,690.68x = 105,558,668,015.54
  5. Step 5: Solve for x
    x = 105,558,668,015.54/496,690.68
  6. Step 6: Final answer
    x = 212,523.96

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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.